45503892020 has 18 divisors (see below), whose sum is σ = 95560176642. Its totient is φ = 18201175216.

The previous prime is 45503892017. The next prime is 45503892043. The reversal of 45503892020 is 2029830554.

It can be written as a sum of positive squares in only one way, i.e., 36403113616 + 9100778404 = 190796^2 + 95398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 930131 + ... + 977829.

Almost surely, 2^45503892020 is an apocalyptic number.

It is an amenable number.

45503892020 is an abundant number, since it is smaller than the sum of its proper divisors (50056284622).

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

45503892020 is an frugal number, since it uses more digits than its factorization.

45503892020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95407 (or 47706 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 45503892020 in words is "forty-five billion, five hundred three million, eight hundred ninety-two thousand, twenty".