72398404120 has 32 divisors (see below), whose sum is σ = 186167325600. Its totient is φ = 24822309888.

The previous prime is 72398404109. The next prime is 72398404139. The reversal of 72398404120 is 2140489327.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129282585 + ... + 129283144.

It is an arithmetic number, because the mean of its divisors is an integer number (5817728925).

Almost surely, 2^72398404120 is an apocalyptic number.

72398404120 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72398404120 is an abundant number, since it is smaller than the sum of its proper divisors (113768921480).

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

72398404120 is a wasteful number, since it uses less digits than its factorization.

72398404120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258565747 (or 258565743 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 72398404120 in words is "seventy-two billion, three hundred ninety-eight million, four hundred four thousand, one hundred twenty".