252764212280 has 128 divisors (see below), whose sum is σ = 614449411200. Its totient is φ = 93292953600.

The previous prime is 252764212247. The next prime is 252764212291. The reversal of 252764212280 is 82212467252.

It is a congruent 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, 36308000 + ... + 36314960.

It is an arithmetic number, because the mean of its divisors is an integer number (4800386025).

Almost surely, 2^252764212280 is an apocalyptic number.

252764212280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252764212280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307224705600).

252764212280 is an abundant number, since it is smaller than the sum of its proper divisors (361685198920).

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

252764212280 is a wasteful number, since it uses less digits than its factorization.

252764212280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385 (or 8381 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 252764212280 in words is "two hundred fifty-two billion, seven hundred sixty-four million, two hundred twelve thousand, two hundred eighty".