8712992440 has 64 divisors (see below), whose sum is σ = 19723788000. Its totient is φ = 3464017920.

The previous prime is 8712992437. The next prime is 8712992459. The reversal of 8712992440 is 442992178.

8712992440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5414356 + ... + 5415964.

Almost surely, 2^8712992440 is an apocalyptic number.

It is an amenable number.

8712992440 is an abundant number, since it is smaller than the sum of its proper divisors (11010795560).

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

8712992440 is a wasteful number, since it uses less digits than its factorization.

8712992440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 8712992440 is about 93343.4113368480. The cubic root of 8712992440 is about 2057.7334262403.

The spelling of 8712992440 in words is "eight billion, seven hundred twelve million, nine hundred ninety-two thousand, four hundred forty".