45920879672 has 32 divisors (see below), whose sum is σ = 93630420720. Its totient is φ = 21025774080.

The previous prime is 45920879639. The next prime is 45920879677. The reversal of 45920879672 is 27697802954.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45920879677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4557854 + ... + 4567917.

Almost surely, 2^45920879672 is an apocalyptic number.

It is an amenable number.

45920879672 is an abundant number, since it is smaller than the sum of its proper divisors (47709541048).

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

45920879672 is a wasteful number, since it uses less digits than its factorization.

45920879672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125831 (or 9125827 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 45920879672 in words is "forty-five billion, nine hundred twenty million, eight hundred seventy-nine thousand, six hundred seventy-two".