252516634460 has 12 divisors (see below), whose sum is σ = 530284932408. Its totient is φ = 101006653776.

The previous prime is 252516634459. The next prime is 252516634471. The reversal of 252516634460 is 64436615252.

It is a happy number.

It is a congruent 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, 6312915842 + ... + 6312915881.

It is an arithmetic number, because the mean of its divisors is an integer number (44190411034).

Almost surely, 2^252516634460 is an apocalyptic number.

252516634460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252516634460 is an abundant number, since it is smaller than the sum of its proper divisors (277768297948).

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

252516634460 is a wasteful number, since it uses less digits than its factorization.

252516634460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12625831732 (or 12625831730 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 252516634460 in words is "two hundred fifty-two billion, five hundred sixteen million, six hundred thirty-four thousand, four hundred sixty".