52285994640 has 160 divisors (see below), whose sum is σ = 196468675200. Its totient is φ = 12675386880.

The previous prime is 52285994627. The next prime is 52285994689. The reversal of 52285994640 is 4649958225.

52285994640 is a `hidden beast` number, since 5 + 2 + 2 + 8 + 599 + 4 + 6 + 40 = 666.

52285994640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1076535 + ... + 1124054.

It is an arithmetic number, because the mean of its divisors is an integer number (1227929220).

Almost surely, 2^52285994640 is an apocalyptic number.

It is an amenable number.

52285994640 is an abundant number, since it is smaller than the sum of its proper divisors (144182680560).

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

52285994640 is a wasteful number, since it uses less digits than its factorization.

52285994640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200622 (or 2200610 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 52285994640 in words is "fifty-two billion, two hundred eighty-five million, nine hundred ninety-four thousand, six hundred forty".