252937306980 has 72 divisors (see below), whose sum is σ = 767886937272. Its totient is φ = 67393353216.

The previous prime is 252937306961. The next prime is 252937306997. The reversal of 252937306980 is 89603739252.

It is a happy number.

252937306980 is a `hidden beast` number, since 2 + 529 + 3 + 7 + 30 + 6 + 9 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 346629924 + 252590677056 = 18618^2 + 502584^2 .

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, 374199 + ... + 803678.

It is an arithmetic number, because the mean of its divisors is an integer number (10665096351).

Almost surely, 2^252937306980 is an apocalyptic number.

252937306980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252937306980 is an abundant number, since it is smaller than the sum of its proper divisors (514949630292).

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

252937306980 is a wasteful number, since it uses less digits than its factorization.

252937306980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179085 (or 1179080 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 252937306980 in words is "two hundred fifty-two billion, nine hundred thirty-seven million, three hundred six thousand, nine hundred eighty".