252021663588 has 48 divisors (see below), whose sum is σ = 598373145216. Its totient is φ = 82541318400.

The previous prime is 252021663503. The next prime is 252021663599. The reversal of 252021663588 is 885366120252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316563 + ... + 777338.

It is an arithmetic number, because the mean of its divisors is an integer number (12466107192).

Almost surely, 2^252021663588 is an apocalyptic number.

It is an amenable number.

252021663588 is an abundant number, since it is smaller than the sum of its proper divisors (346351481628).

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

252021663588 is a wasteful number, since it uses less digits than its factorization.

252021663588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094244 (or 1094242 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 252021663588 in words is "two hundred fifty-two billion, twenty-one million, six hundred sixty-three thousand, five hundred eighty-eight".