6624431456 has 24 divisors (see below), whose sum is σ = 13394334240. Its totient is φ = 3222695808.

The previous prime is 6624431393. The next prime is 6624431461. The reversal of 6624431456 is 6541344266.

It is a congruent number.

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, 2796296 + ... + 2798663.

It is an arithmetic number, because the mean of its divisors is an integer number (558097260).

Almost surely, 2^6624431456 is an apocalyptic number.

It is an amenable number.

6624431456 is an abundant number, since it is smaller than the sum of its proper divisors (6769902784).

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

6624431456 is a wasteful number, since it uses less digits than its factorization.

6624431456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5595006 (or 5594998 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The square root of 6624431456 is about 81390.6103675356. The cubic root of 6624431456 is about 1878.0891494421.

The spelling of 6624431456 in words is "six billion, six hundred twenty-four million, four hundred thirty-one thousand, four hundred fifty-six".