255704904 has 128 divisors (see below), whose sum is σ = 874272000. Its totient is φ = 67433472.

The previous prime is 255704893. The next prime is 255704923. The reversal of 255704904 is 409407552.

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 31 ways as a sum of consecutive naturals, for example, 13152 + ... + 26160.

It is an arithmetic number, because the mean of its divisors is an integer number (6830250).

Almost surely, 2^255704904 is an apocalyptic number.

255704904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255704904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437136000).

255704904 is an abundant number, since it is smaller than the sum of its proper divisors (618567096).

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

255704904 is a wasteful number, since it uses less digits than its factorization.

255704904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044 (or 13034 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 255704904 is about 15990.7755909462. The cubic root of 255704904 is about 634.7163500541.

The spelling of 255704904 in words is "two hundred fifty-five million, seven hundred four thousand, nine hundred four".