255775202664 has 16 divisors (see below), whose sum is σ = 639438006720. Its totient is φ = 85258400880.

The previous prime is 255775202651. The next prime is 255775202671. The reversal of 255775202664 is 466202577552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5328650032 + ... + 5328650079.

It is an arithmetic number, because the mean of its divisors is an integer number (39964875420).

Almost surely, 2^255775202664 is an apocalyptic number.

255775202664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255775202664 is an abundant number, since it is smaller than the sum of its proper divisors (383662804056).

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

255775202664 is a wasteful number, since it uses less digits than its factorization.

255775202664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10657300120 (or 10657300116 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 51.

The spelling of 255775202664 in words is "two hundred fifty-five billion, seven hundred seventy-five million, two hundred two thousand, six hundred sixty-four".