252625274464 has 12 divisors (see below), whose sum is σ = 497356009164. Its totient is φ = 126312637216.

The previous prime is 252625274453. The next prime is 252625274483. The reversal of 252625274464 is 464472526252.

252625274464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252625274464² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3947269882 + ... + 3947269945.

It is an arithmetic number, because the mean of its divisors is an integer number (41446334097).

Almost surely, 2^252625274464 is an apocalyptic number.

It is an amenable number.

252625274464 is a deficient number, since it is larger than the sum of its proper divisors (244730734700).

252625274464 is an equidigital number, since it uses as much as digits as its factorization.

252625274464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894539837 (or 7894539829 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 49.

The spelling of 252625274464 in words is "two hundred fifty-two billion, six hundred twenty-five million, two hundred seventy-four thousand, four hundred sixty-four".