255928704 has 64 divisors (see below), whose sum is σ = 698222640. Its totient is φ = 82999296.

The previous prime is 255928681. The next prime is 255928721. The reversal of 255928704 is 407829552.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×255928704² = 130999003062239232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5202 + ... + 23214.

Almost surely, 2^255928704 is an apocalyptic number.

255928704 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 255928704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349111320).

255928704 is an abundant number, since it is smaller than the sum of its proper divisors (442293936).

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

255928704 is a wasteful number, since it uses less digits than its factorization.

255928704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18067 (or 18055 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 255928704 is about 15997.7718448539. The cubic root of 255928704 is about 634.9014698219.

The spelling of 255928704 in words is "two hundred fifty-five million, nine hundred twenty-eight thousand, seven hundred four".