255575400 has 48 divisors (see below), whose sum is σ = 792285600. Its totient is φ = 68153280.

The previous prime is 255575387. The next prime is 255575407. The reversal of 255575400 is 4575552.

It is not an unprimeable number, because it can be changed into a prime (255575407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212380 + ... + 213579.

It is an arithmetic number, because the mean of its divisors is an integer number (16505950).

Almost surely, 2^255575400 is an apocalyptic number.

255575400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255575400 is an abundant number, since it is smaller than the sum of its proper divisors (536710200).

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

255575400 is a wasteful number, since it uses less digits than its factorization.

255575400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425978 (or 425969 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 255575400 is about 15986.7257435661. The cubic root of 255575400 is about 634.6091793983.

The spelling of 255575400 in words is "two hundred fifty-five million, five hundred seventy-five thousand, four hundred".