255542456 has 16 divisors (see below), whose sum is σ = 515999400. Its totient is φ = 117942624.

The previous prime is 255542447. The next prime is 255542471. The reversal of 255542456 is 654245552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228466 + ... + 1228673.

Almost surely, 2^255542456 is an apocalyptic number.

255542456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255542456 is an abundant number, since it is smaller than the sum of its proper divisors (260456944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255542456 is a wasteful number, since it uses less digits than its factorization.

255542456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457158 (or 2457154 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The square root of 255542456 is about 15985.6953555358. The cubic root of 255542456 is about 634.5819109116.

The spelling of 255542456 in words is "two hundred fifty-five million, five hundred forty-two thousand, four hundred fifty-six".