45599544431 has 32 divisors (see below), whose sum is σ = 56478228480. Its totient is φ = 35923700736.

The previous prime is 45599544427. The next prime is 45599544443. The reversal of 45599544431 is 13444599554.

It is not a de Polignac number, because 45599544431 - 2² = 45599544427 is a prime.

It is a super-2 number, since 2×45599544431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45599544481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2580755 + ... + 2598363.

It is an arithmetic number, because the mean of its divisors is an integer number (1764944640).

Almost surely, 2^45599544431 is an apocalyptic number.

45599544431 is a deficient number, since it is larger than the sum of its proper divisors (10878684049).

45599544431 is a wasteful number, since it uses less digits than its factorization.

45599544431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143.

The product of its digits is 7776000, while the sum is 53.

The spelling of 45599544431 in words is "forty-five billion, five hundred ninety-nine million, five hundred forty-four thousand, four hundred thirty-one".