45055888620 has 48 divisors (see below), whose sum is σ = 126291284448. Its totient is φ = 12002065920.

The previous prime is 45055888589. The next prime is 45055888637. The reversal of 45055888620 is 2688855054.

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 15 ways as a sum of consecutive naturals, for example, 344491 + ... + 456930.

It is an arithmetic number, because the mean of its divisors is an integer number (2631068426).

Almost surely, 2^45055888620 is an apocalyptic number.

It is an amenable number.

45055888620 is an abundant number, since it is smaller than the sum of its proper divisors (81235395828).

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

45055888620 is a wasteful number, since it uses less digits than its factorization.

45055888620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802370 (or 802368 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 51.

The spelling of 45055888620 in words is "forty-five billion, fifty-five million, eight hundred eighty-eight thousand, six hundred twenty".