45489531976 has 16 divisors (see below), whose sum is σ = 97477568640. Its totient is φ = 19495513680.

The previous prime is 45489531953. The next prime is 45489531977. The reversal of 45489531976 is 67913598454.

It is not an unprimeable number, because it can be changed into a prime (45489531977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406156480 + ... + 406156591.

It is an arithmetic number, because the mean of its divisors is an integer number (6092348040).

Almost surely, 2^45489531976 is an apocalyptic number.

It is an amenable number.

45489531976 is an abundant number, since it is smaller than the sum of its proper divisors (51988036664).

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

45489531976 is a wasteful number, since it uses less digits than its factorization.

45489531976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812313084 (or 812313080 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 61.

The spelling of 45489531976 in words is "forty-five billion, four hundred eighty-nine million, five hundred thirty-one thousand, nine hundred seventy-six".