6544444456 has 16 divisors (see below), whose sum is σ = 13386363840. Its totient is φ = 2974747440.

The previous prime is 6544444429. The next prime is 6544444463.

6544444456 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37184256 + ... + 37184431.

It is an arithmetic number, because the mean of its divisors is an integer number (836647740).

Almost surely, 2^6544444456 is an apocalyptic number.

It is an amenable number.

6544444456 is an abundant number, since it is smaller than the sum of its proper divisors (6841919384).

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

6544444456 is a wasteful number, since it uses less digits than its factorization.

6544444456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74368704 (or 74368700 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 46.

The square root of 6544444456 is about 80897.7407348314. The cubic root of 6544444456 is about 1870.4994953821.

The spelling of 6544444456 in words is "six billion, five hundred forty-four million, four hundred forty-four thousand, four hundred fifty-six".