440 (number)

440 (four hundred [and] forty) is the natural number following 439 and preceding 441.

← 439 440 441 →
List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	four hundred forty
Ordinal	440th (four hundred fortieth)
Factorization	2^3 × 5 × 11
Divisors	1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 55, 110, 220, 440
Greek numeral	ΥΜ´
Roman numeral	CDXL
Binary	1101110002
Ternary	1210223
Octal	6708
Duodecimal	30812
Hexadecimal	1B816
Hebrew	מת (Tav)(Mem)

In mathematics

440 has the factorization 2³ · 5 · 11.

440 is:

• even
• the sum of the first 17 prime numbers
• an abundant number[1]
• a Harshad number
• a happy number[2]

References

1. "Facts about the number 440". Numbermatics - the number explorer. Retrieved 2017-03-21.
2. Guy, Richard (March 9, 2013). Unsolved Problems in Number Theory. Springer Science & Business Media. p. 358. ISBN 9780387266770.