45321324520 has 32 divisors (see below), whose sum is σ = 102239262720. Its totient is φ = 18081190720.

The previous prime is 45321324443. The next prime is 45321324557. The reversal of 45321324520 is 2542312354.

45321324520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463836 + ... + 1494475.

It is an arithmetic number, because the mean of its divisors is an integer number (3194976960).

Almost surely, 2^45321324520 is an apocalyptic number.

45321324520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45321324520 is an abundant number, since it is smaller than the sum of its proper divisors (56917938200).

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

45321324520 is a wasteful number, since it uses less digits than its factorization.

45321324520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958705 (or 2958701 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 45321324520 its reverse (2542312354), we get a palindrome (47863636874).

The spelling of 45321324520 in words is "forty-five billion, three hundred twenty-one million, three hundred twenty-four thousand, five hundred twenty".