255371904 has 48 divisors (see below), whose sum is σ = 734862570. Its totient is φ = 85123584.

The previous prime is 255371899. The next prime is 255371911. The reversal of 255371904 is 409173552.

255371904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 223562304 + 31809600 = 14952^2 + 5640^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109687 + ... + 111990.

Almost surely, 2^255371904 is an apocalyptic number.

255371904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255371904 is an abundant number, since it is smaller than the sum of its proper divisors (479490666).

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

255371904 is a wasteful number, since it uses less digits than its factorization.

255371904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221697 (or 221682 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 255371904 is about 15980.3599458836. The cubic root of 255371904 is about 634.4407037158.

The spelling of 255371904 in words is "two hundred fifty-five million, three hundred seventy-one thousand, nine hundred four".