252615633620 has 48 divisors (see below), whose sum is σ = 608435186688. Its totient is φ = 86302836480.

The previous prime is 252615633619. The next prime is 252615633649. The reversal of 252615633620 is 26336516252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3171332 + ... + 3250011.

It is an arithmetic number, because the mean of its divisors is an integer number (12675733056).

Almost surely, 2^252615633620 is an apocalyptic number.

252615633620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252615633620 is an abundant number, since it is smaller than the sum of its proper divisors (355819553068).

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

252615633620 is a wasteful number, since it uses less digits than its factorization.

252615633620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421640 (or 6421638 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 252615633620 in words is "two hundred fifty-two billion, six hundred fifteen million, six hundred thirty-three thousand, six hundred twenty".