255559400 has 48 divisors (see below), whose sum is σ = 595274400. Its totient is φ = 102034880.

The previous prime is 255559399. The next prime is 255559429. The reversal of 255559400 is 4955552.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167039 + ... + 168561.

It is an arithmetic number, because the mean of its divisors is an integer number (12401550).

Almost surely, 2^255559400 is an apocalyptic number.

255559400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255559400 is an abundant number, since it is smaller than the sum of its proper divisors (339715000).

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

255559400 is a wasteful number, since it uses less digits than its factorization.

255559400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378 (or 2369 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 255559400 is about 15986.2253205690. The cubic root of 255559400 is about 634.5959361326.

The spelling of 255559400 in words is "two hundred fifty-five million, five hundred fifty-nine thousand, four hundred".