8520040464 has 80 divisors (see below), whose sum is σ = 23717565312. Its totient is φ = 2619961344.

The previous prime is 8520040447. The next prime is 8520040483. The reversal of 8520040464 is 4640400258.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415349 + ... + 1421355.

Almost surely, 2^8520040464 is an apocalyptic number.

It is an amenable number.

8520040464 is an abundant number, since it is smaller than the sum of its proper divisors (15197524848).

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

8520040464 is a wasteful number, since it uses less digits than its factorization.

8520040464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8304 (or 8298 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 8520040464 is about 92304.0652625874. The cubic root of 8520040464 is about 2042.4301796038.

The spelling of 8520040464 in words is "eight billion, five hundred twenty million, forty thousand, four hundred sixty-four".