6459931044 has 72 divisors (see below), whose sum is σ = 18692623040. Its totient is φ = 1842668352.

The previous prime is 6459931043. The next prime is 6459931069. The reversal of 6459931044 is 4401399546.

6459931044 is a `hidden beast` number, since 6 + 4 + 599 + 3 + 10 + 44 = 666.

It is not an unprimeable number, because it can be changed into a prime (6459931043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135282 + ... + 176694.

Almost surely, 2^6459931044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6459931044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9346311520).

6459931044 is an abundant number, since it is smaller than the sum of its proper divisors (12232691996).

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

6459931044 is a wasteful number, since it uses less digits than its factorization.

6459931044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42049 (or 42044 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 6459931044 is about 80373.6962195966. The cubic root of 6459931044 is about 1862.4128554275.

The spelling of 6459931044 in words is "six billion, four hundred fifty-nine million, nine hundred thirty-one thousand, forty-four".