252236172264 has 16 divisors (see below), whose sum is σ = 630590430720. Its totient is φ = 84078724080.

The previous prime is 252236172259. The next prime is 252236172281. The reversal of 252236172264 is 462271632252.

It is a happy number.

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, 5254920232 + ... + 5254920279.

It is an arithmetic number, because the mean of its divisors is an integer number (39411901920).

Almost surely, 2^252236172264 is an apocalyptic number.

252236172264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252236172264 is an abundant number, since it is smaller than the sum of its proper divisors (378354258456).

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

252236172264 is a wasteful number, since it uses less digits than its factorization.

252236172264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509840520 (or 10509840516 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The spelling of 252236172264 in words is "two hundred fifty-two billion, two hundred thirty-six million, one hundred seventy-two thousand, two hundred sixty-four".