5044651664 has 20 divisors (see below), whose sum is σ = 10525860156. Its totient is φ = 2328300672.

The previous prime is 5044651649. The next prime is 5044651673. The reversal of 5044651664 is 4661564405.

It can be written as a sum of positive squares in 2 ways, for example, as 1226400400 + 3818251264 = 35020^2 + 61792^2 .

It is a super-2 number, since 2×5044651664² = 50897020822195937792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12126359 + ... + 12126774.

Almost surely, 2^5044651664 is an apocalyptic number.

It is an amenable number.

5044651664 is an abundant number, since it is smaller than the sum of its proper divisors (5481208492).

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

5044651664 is a wasteful number, since it uses less digits than its factorization.

5044651664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24253154 (or 24253148 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 5044651664 is about 71025.7112882370. The cubic root of 5044651664 is about 1715.0510870552.

The spelling of 5044651664 in words is "five billion, forty-four million, six hundred fifty-one thousand, six hundred sixty-four".