45729664732 has 12 divisors (see below), whose sum is σ = 80047581880. Its totient is φ = 22858927056.

The previous prime is 45729664621. The next prime is 45729664741. The reversal of 45729664732 is 23746692754.

It is a super-2 number, since 2×45729664732² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458882 + ... + 1489897.

Almost surely, 2^45729664732 is an apocalyptic number.

It is an amenable number.

45729664732 is a deficient number, since it is larger than the sum of its proper divisors (34317917148).

45729664732 is a wasteful number, since it uses less digits than its factorization.

45729664732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952660 (or 2952658 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 55.

The spelling of 45729664732 in words is "forty-five billion, seven hundred twenty-nine million, six hundred sixty-four thousand, seven hundred thirty-two".