255025221264 has 60 divisors (see below), whose sum is σ = 778599733392. Its totient is φ = 77280369600.

The previous prime is 255025221259. The next prime is 255025221287. The reversal of 255025221264 is 462122520552.

255025221264 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 2 + 522 + 126 + 4 = 666.

255025221264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 80498802 + ... + 80501969.

Almost surely, 2^255025221264 is an apocalyptic number.

255025221264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255025221264 is an abundant number, since it is smaller than the sum of its proper divisors (523574512128).

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

255025221264 is a wasteful number, since it uses less digits than its factorization.

255025221264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161000796 (or 161000787 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 255025221264 in words is "two hundred fifty-five billion, twenty-five million, two hundred twenty-one thousand, two hundred sixty-four".