252181374724 has 12 divisors (see below), whose sum is σ = 441374470348. Its totient is φ = 126074383200.

The previous prime is 252181374701. The next prime is 252181374737. The reversal of 252181374724 is 427473181252.

It can be written as a sum of positive squares in 2 ways, for example, as 40965760000 + 211215614724 = 202400^2 + 459582^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 4041207 + ... + 4103134.

Almost surely, 2^252181374724 is an apocalyptic number.

It is an amenable number.

252181374724 is a deficient number, since it is larger than the sum of its proper divisors (189193095624).

252181374724 is a wasteful number, since it uses less digits than its factorization.

252181374724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152086 (or 8152084 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The spelling of 252181374724 in words is "two hundred fifty-two billion, one hundred eighty-one million, three hundred seventy-four thousand, seven hundred twenty-four".