45551540432 has 20 divisors (see below), whose sum is σ = 89499155616. Its totient is φ = 22454984160.

The previous prime is 45551540311. The next prime is 45551540449. The reversal of 45551540432 is 23404515554.

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, 20047958 + ... + 20050229.

Almost surely, 2^45551540432 is an apocalyptic number.

It is an amenable number.

45551540432 is a deficient number, since it is larger than the sum of its proper divisors (43947615184).

45551540432 is a wasteful number, since it uses less digits than its factorization.

45551540432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40098266 (or 40098260 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 45551540432 in words is "forty-five billion, five hundred fifty-one million, five hundred forty thousand, four hundred thirty-two".