252420446616 has 64 divisors (see below), whose sum is σ = 715361606400. Its totient is φ = 73580047488.

The previous prime is 252420446587. The next prime is 252420446617. The reversal of 252420446616 is 616644024252.

252420446616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252420446617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21284596 + ... + 21296451.

It is an arithmetic number, because the mean of its divisors is an integer number (11177525100).

Almost surely, 2^252420446616 is an apocalyptic number.

252420446616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

252420446616 is an abundant number, since it is smaller than the sum of its proper divisors (462941159784).

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

252420446616 is a wasteful number, since it uses less digits than its factorization.

252420446616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42581088 (or 42581084 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 252420446616 in words is "two hundred fifty-two billion, four hundred twenty million, four hundred forty-six thousand, six hundred sixteen".