252912651290 has 64 divisors (see below), whose sum is σ = 512085369600. Its totient is φ = 89234264064.

The previous prime is 252912651289. The next prime is 252912651319. The reversal of 252912651290 is 92156219252.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3005306 + ... + 3088314.

It is an arithmetic number, because the mean of its divisors is an integer number (8001333900).

Almost surely, 2^252912651290 is an apocalyptic number.

252912651290 is an abundant number, since it is smaller than the sum of its proper divisors (259172718310).

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

252912651290 is a wasteful number, since it uses less digits than its factorization.

252912651290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84071.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 252912651290 in words is "two hundred fifty-two billion, nine hundred twelve million, six hundred fifty-one thousand, two hundred ninety".