252638875208 has 48 divisors (see below), whose sum is σ = 492100312500. Its totient is φ = 121451043840.

The previous prime is 252638875189. The next prime is 252638875211. The reversal of 252638875208 is 802578836252.

252638875208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 207627858244 + 45011016964 = 455662^2 + 212158^2 .

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 11 ways as a sum of consecutive naturals, for example, 13465418 + ... + 13484166.

Almost surely, 2^252638875208 is an apocalyptic number.

It is an amenable number.

252638875208 is a deficient number, since it is larger than the sum of its proper divisors (239461437292).

252638875208 is a wasteful number, since it uses less digits than its factorization.

252638875208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19266 (or 19021 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 252638875208 in words is "two hundred fifty-two billion, six hundred thirty-eight million, eight hundred seventy-five thousand, two hundred eight".