72360440564 has 12 divisors (see below), whose sum is σ = 126660729888. Its totient is φ = 36171660600.

The previous prime is 72360440539. The next prime is 72360440611. The reversal of 72360440564 is 46504406327.

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, 2120882 + ... + 2154729.

It is an arithmetic number, because the mean of its divisors is an integer number (10555060824).

Almost surely, 2^72360440564 is an apocalyptic number.

It is an amenable number.

72360440564 is a deficient number, since it is larger than the sum of its proper divisors (54300289324).

72360440564 is a wasteful number, since it uses less digits than its factorization.

72360440564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279846 (or 4279844 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 72360440564 in words is "seventy-two billion, three hundred sixty million, four hundred forty thousand, five hundred sixty-four".