440

440 = 2³ x 5 x 11.

440 is the sum of the first 17 primes (2 to 59).

440 is divisible by the sum of its prime factors: 2 + 2 + 2 + 5 + 11 = 22.

440 is the number of permutations of 12 items that fix nine elements.

440 and 441 are two consecutive numbers, each divisible by a square.

440 is the number of yards in the quarter-mile race in track-and-field competitions.

Source: Prime Curios!