52279940160 has 560 divisors, whose sum is σ = 213336249984. Its totient is φ = 11904786432.

The previous prime is 52279940159. The next prime is 52279940177. The reversal of 52279940160 is 6104997225.

52279940160 is a `hidden beast` number, since 522 + 79 + 9 + 40 + 16 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 84732172 + ... + 84732788.

Almost surely, 2^52279940160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52279940160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106668124992).

52279940160 is an abundant number, since it is smaller than the sum of its proper divisors (161056309824).

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

52279940160 is a wasteful number, since it uses less digits than its factorization.

52279940160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 52279940160 in words is "fifty-two billion, two hundred seventy-nine million, nine hundred forty thousand, one hundred sixty".