252272752506 has 40 divisors (see below), whose sum is σ = 583512614784. Its totient is φ = 81378305640.

The previous prime is 252272752493. The next prime is 252272752507. The reversal of 252272752506 is 605257272252.

252272752506 is a `hidden beast` number, since 2 + 5 + 2 + 2 + 72 + 75 + 2 + 506 = 666.

It is not an unprimeable number, because it can be changed into a prime (252272752507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25111740 + ... + 25121783.

Almost surely, 2^252272752506 is an apocalyptic number.

252272752506 is an abundant number, since it is smaller than the sum of its proper divisors (331239862278).

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

252272752506 is a wasteful number, since it uses less digits than its factorization.

252272752506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50233568 (or 50233559 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 252272752506 in words is "two hundred fifty-two billion, two hundred seventy-two million, seven hundred fifty-two thousand, five hundred six".