255902880 has 96 divisors (see below), whose sum is σ = 808315200. Its totient is φ = 68052992.

The previous prime is 255902863. The next prime is 255902891. The reversal of 255902880 is 88209552.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315916 + ... + 316724.

It is an arithmetic number, because the mean of its divisors is an integer number (8419950).

Almost surely, 2^255902880 is an apocalyptic number.

255902880 is a gapful number since it is divisible by the number (20) 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 255902880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404157600).

255902880 is an abundant number, since it is smaller than the sum of its proper divisors (552412320).

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

255902880 is a wasteful number, since it uses less digits than its factorization.

255902880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 255902880 is about 15996.9647120946. The cubic root of 255902880 is about 634.8801145945.

The spelling of 255902880 in words is "two hundred fifty-five million, nine hundred two thousand, eight hundred eighty".