252909278524 has 48 divisors (see below), whose sum is σ = 527879310336. Its totient is φ = 103663612800.

The previous prime is 252909278497. The next prime is 252909278537. The reversal of 252909278524 is 425872909252.

252909278524 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 an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6052744 + ... + 6094384.

It is an arithmetic number, because the mean of its divisors is an integer number (10997485632).

Almost surely, 2^252909278524 is an apocalyptic number.

It is an amenable number.

252909278524 is an abundant number, since it is smaller than the sum of its proper divisors (274970031812).

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

252909278524 is a wasteful number, since it uses less digits than its factorization.

252909278524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51106 (or 51104 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 252909278524 in words is "two hundred fifty-two billion, nine hundred nine million, two hundred seventy-eight thousand, five hundred twenty-four".