6534656044 has 24 divisors (see below), whose sum is σ = 13838096160. Its totient is φ = 2635827456.

The previous prime is 6534655999. The next prime is 6534656077. The reversal of 6534656044 is 4406564356.

It is a super-2 number, since 2×6534656044² = 85403459226771459872, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 6863659 + ... + 6864610.

It is an arithmetic number, because the mean of its divisors is an integer number (576587340).

Almost surely, 2^6534656044 is an apocalyptic number.

It is an amenable number.

6534656044 is an abundant number, since it is smaller than the sum of its proper divisors (7303440116).

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

6534656044 is a wasteful number, since it uses less digits than its factorization.

6534656044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728297 (or 13728295 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The square root of 6534656044 is about 80837.2194227387. The cubic root of 6534656044 is about 1869.5664721803.

The spelling of 6534656044 in words is "six billion, five hundred thirty-four million, six hundred fifty-six thousand, forty-four".