45005640564 has 24 divisors (see below), whose sum is σ = 105064122240. Its totient is φ = 14994600064.

The previous prime is 45005640469. The next prime is 45005640577. The reversal of 45005640564 is 46504650054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884229 + ... + 933740.

It is an arithmetic number, because the mean of its divisors is an integer number (4377671760).

Almost surely, 2^45005640564 is an apocalyptic number.

It is an amenable number.

45005640564 is an abundant number, since it is smaller than the sum of its proper divisors (60058481676).

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

45005640564 is a wasteful number, since it uses less digits than its factorization.

45005640564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820039 (or 1820037 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 45005640564 in words is "forty-five billion, five million, six hundred forty thousand, five hundred sixty-four".