252650318918 has 16 divisors (see below), whose sum is σ = 383690015856. Its totient is φ = 124754826240.

The previous prime is 252650318917. The next prime is 252650318993. The reversal of 252650318918 is 819813056252.

252650318918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252650318917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136958 + ... + 723918.

It is an arithmetic number, because the mean of its divisors is an integer number (23980625991).

Almost surely, 2^252650318918 is an apocalyptic number.

252650318918 is a deficient number, since it is larger than the sum of its proper divisors (131039696938).

252650318918 is a wasteful number, since it uses less digits than its factorization.

252650318918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589639.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 252650318918 in words is "two hundred fifty-two billion, six hundred fifty million, three hundred eighteen thousand, nine hundred eighteen".