252568908828 has 72 divisors (see below), whose sum is σ = 645109360896. Its totient is φ = 83314483200.

The previous prime is 252568908827. The next prime is 252568908841. The reversal of 252568908828 is 828809865252.

252568908828 is a `hidden beast` number, since 2 + 525 + 6 + 8 + 9 + 0 + 88 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252568908821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1231908 + ... + 1422228.

Almost surely, 2^252568908828 is an apocalyptic number.

It is an amenable number.

252568908828 is an abundant number, since it is smaller than the sum of its proper divisors (392540452068).

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

252568908828 is a wasteful number, since it uses less digits than its factorization.

252568908828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190715 (or 190710 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 63.

The spelling of 252568908828 in words is "two hundred fifty-two billion, five hundred sixty-eight million, nine hundred eight thousand, eight hundred twenty-eight".