72656092461440 has 64 divisors (see below), whose sum is σ = 173694732484320. Its totient is φ = 29062225920000.

The previous prime is 72656092461413. The next prime is 72656092461461. The reversal of 72656092461440 is 4416429065627.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 111496565 + ... + 112146315.

Almost surely, 2^{72656092461440} is an apocalyptic number.

It is an amenable number.

72656092461440 is an abundant number, since it is smaller than the sum of its proper divisors (101038640022880).

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

72656092461440 is a wasteful number, since it uses less digits than its factorization.

72656092461440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824491 (or 824479 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 72656092461440 in words is "seventy-two trillion, six hundred fifty-six billion, ninety-two million, four hundred sixty-one thousand, four hundred forty".