8044654864 has 45 divisors (see below), whose sum is σ = 16569867877. Its totient is φ = 3782849792.

The previous prime is 8044654859. The next prime is 8044654883. The reversal of 8044654864 is 4684564408.

The square root of 8044654864 is 89692.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6263139600 + 1781515264 = 79140^2 + 42208^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6098397 + ... + 6099715.

Almost surely, 2^8044654864 is an apocalyptic number.

8044654864 is the 89692-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8044654864

8044654864 is an abundant number, since it is smaller than the sum of its proper divisors (8525213013).

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

8044654864 is an equidigital number, since it uses as much as digits as its factorization.

8044654864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 49.

The cubic root of 8044654864 is about 2003.7143362494.

Multiplying 8044654864 by its sum of digits (49), we get a square (394188088336 = 627844²).

The spelling of 8044654864 in words is "eight billion, forty-four million, six hundred fifty-four thousand, eight hundred sixty-four".