252502775028 has 72 divisors (see below), whose sum is σ = 732048582720. Its totient is φ = 71886890880.

The previous prime is 252502774999. The next prime is 252502775069. The reversal of 252502775028 is 820577205252.

252502775028 is a `hidden beast` number, since 2 + 5 + 2 + 502 + 77 + 50 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1712098 + ... + 1853721.

Almost surely, 2^252502775028 is an apocalyptic number.

252502775028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

252502775028 is an abundant number, since it is smaller than the sum of its proper divisors (479545807692).

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

252502775028 is a wasteful number, since it uses less digits than its factorization.

252502775028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566117 (or 3566112 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The spelling of 252502775028 in words is "two hundred fifty-two billion, five hundred two million, seven hundred seventy-five thousand, twenty-eight".