252404121052 has 12 divisors (see below), whose sum is σ = 441711464656. Its totient is φ = 126200845440.

The previous prime is 252404121031. The next prime is 252404121089. The reversal of 252404121052 is 250121404252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 252404121052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294553 + ... + 769135.

Almost surely, 2^252404121052 is an apocalyptic number.

It is an amenable number.

252404121052 is a deficient number, since it is larger than the sum of its proper divisors (189307343604).

252404121052 is a wasteful number, since it uses less digits than its factorization.

252404121052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607548 (or 607546 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 252404121052 in words is "two hundred fifty-two billion, four hundred four million, one hundred twenty-one thousand, fifty-two".