45684761664 has 56 divisors (see below), whose sum is σ = 121071761920. Its totient is φ = 15203372544.

The previous prime is 45684761621. The next prime is 45684761743. The reversal of 45684761664 is 46616748654.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76384 + ... + 311775.

Almost surely, 2^45684761664 is an apocalyptic number.

It is an amenable number.

45684761664 is an abundant number, since it is smaller than the sum of its proper divisors (75387000256).

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

45684761664 is a wasteful number, since it uses less digits than its factorization.

45684761664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388787 (or 388777 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 45684761664 in words is "forty-five billion, six hundred eighty-four million, seven hundred sixty-one thousand, six hundred sixty-four".