72412045440456 has 16 divisors (see below), whose sum is σ = 181030113601200. Its totient is φ = 24137348480144.

The previous prime is 72412045440451. The next prime is 72412045440547. The reversal of 72412045440456 is 65404454021427.

It is not an unprimeable number, because it can be changed into a prime (72412045440451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508584279986 + ... + 1508584280033.

It is an arithmetic number, because the mean of its divisors is an integer number (11314382100075).

Almost surely, 2^{72412045440456} is an apocalyptic number.

It is an amenable number.

72412045440456 is an abundant number, since it is smaller than the sum of its proper divisors (108618068160744).

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

72412045440456 is a wasteful number, since it uses less digits than its factorization.

72412045440456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017168560028 (or 3017168560024 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 48.

The spelling of 72412045440456 in words is "seventy-two trillion, four hundred twelve billion, forty-five million, four hundred forty thousand, four hundred fifty-six".