252650385396 has 72 divisors (see below), whose sum is σ = 648230342760. Its totient is φ = 82961604864.

The previous prime is 252650385391. The next prime is 252650385413. The reversal of 252650385396 is 693583056252.

252650385396 is a `hidden beast` number, since 2 + 5 + 26 + 50 + 38 + 539 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39239648100 + 213410737296 = 198090^2 + 461964^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252650385391) 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 23 ways as a sum of consecutive naturals, for example, 492766 + ... + 864938.

It is an arithmetic number, because the mean of its divisors is an integer number (9003199205).

Almost surely, 2^252650385396 is an apocalyptic number.

It is an amenable number.

252650385396 is an abundant number, since it is smaller than the sum of its proper divisors (395579957364).

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

252650385396 is a wasteful number, since it uses less digits than its factorization.

252650385396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372465 (or 372460 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 252650385396 in words is "two hundred fifty-two billion, six hundred fifty million, three hundred eighty-five thousand, three hundred ninety-six".