252639936252 has 48 divisors (see below), whose sum is σ = 714537196800. Its totient is φ = 76557556080.

The previous prime is 252639936233. The next prime is 252639936259.

252639936252 is a `hidden beast` number, since 2 + 5 + 2 + 6 + 3 + 9 + 9 + 3 + 625 + 2 = 666.

252639936252 is nontrivially palindromic in base 10.

252639936252 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-4 number, since 4×252639936252⁴ (a number of 47 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252639936259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106328752 + ... + 106331127.

It is an arithmetic number, because the mean of its divisors is an integer number (14886191600).

Almost surely, 2^252639936252 is an apocalyptic number.

252639936252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252639936252 is an abundant number, since it is smaller than the sum of its proper divisors (461897260548).

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

252639936252 is a wasteful number, since it uses less digits than its factorization.

252639936252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212659903 (or 212659895 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 54.

The spelling of 252639936252 in words is "two hundred fifty-two billion, six hundred thirty-nine million, nine hundred thirty-six thousand, two hundred fifty-two".