252780731022 has 32 divisors (see below), whose sum is σ = 546689751552. Its totient is φ = 77616443264.

The previous prime is 252780731009. The next prime is 252780731081. The reversal of 252780731022 is 220137087252.

It is a congruent number.

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, 26359488 + ... + 26369075.

It is an arithmetic number, because the mean of its divisors is an integer number (17084054736).

Almost surely, 2^252780731022 is an apocalyptic number.

252780731022 is an abundant number, since it is smaller than the sum of its proper divisors (293909020530).

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

252780731022 is a wasteful number, since it uses less digits than its factorization.

252780731022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52728632.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 252780731022 in words is "two hundred fifty-two billion, seven hundred eighty million, seven hundred thirty-one thousand, twenty-two".