45521741872 has 20 divisors (see below), whose sum is σ = 88452559656. Its totient is φ = 22695274880.

The previous prime is 45521741833. The next prime is 45521741879. The reversal of 45521741872 is 27814712554.

It is not an unprimeable number, because it can be changed into a prime (45521741879) 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, 4094029 + ... + 4105132.

Almost surely, 2^45521741872 is an apocalyptic number.

It is an amenable number.

45521741872 is a deficient number, since it is larger than the sum of its proper divisors (42930817784).

45521741872 is a wasteful number, since it uses less digits than its factorization.

45521741872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199516 (or 8199510 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The spelling of 45521741872 in words is "forty-five billion, five hundred twenty-one million, seven hundred forty-one thousand, eight hundred seventy-two".