45647572464 has 80 divisors (see below), whose sum is σ = 141104336800. Its totient is φ = 14045405184.

The previous prime is 45647572459. The next prime is 45647572519. The reversal of 45647572464 is 46427574654.

45647572464 is a `hidden beast` number, since 4 + 5 + 6 + 4 + 7 + 572 + 4 + 64 = 666.

45647572464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45647572464² (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45647572464.

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, 4058449 + ... + 4069680.

It is an arithmetic number, because the mean of its divisors is an integer number (1763804210).

Almost surely, 2^45647572464 is an apocalyptic number.

It is an amenable number.

45647572464 is an abundant number, since it is smaller than the sum of its proper divisors (95456764336).

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

45647572464 is a wasteful number, since it uses less digits than its factorization.

45647572464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8128159 (or 8128147 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 54.

The spelling of 45647572464 in words is "forty-five billion, six hundred forty-seven million, five hundred seventy-two thousand, four hundred sixty-four".