252777502420 has 48 divisors (see below), whose sum is σ = 531658649088. Its totient is φ = 100953820800.

The previous prime is 252777502379. The next prime is 252777502477. The reversal of 252777502420 is 24205777252.

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, 53745789 + ... + 53750491.

It is an arithmetic number, because the mean of its divisors is an integer number (11076221856).

Almost surely, 2^252777502420 is an apocalyptic number.

252777502420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252777502420 is an abundant number, since it is smaller than the sum of its proper divisors (278881146668).

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

252777502420 is a wasteful number, since it uses less digits than its factorization.

252777502420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8320 (or 8318 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 43.

The spelling of 252777502420 in words is "two hundred fifty-two billion, seven hundred seventy-seven million, five hundred two thousand, four hundred twenty".