444083648868 has 18 divisors (see below), whose sum is σ = 1122544779174. Its totient is φ = 148027882944.

The previous prime is 444083648819. The next prime is 444083648881. The reversal of 444083648868 is 868846380444.

It can be written as a sum of positive squares in only one way, i.e., 406077366564 + 38006282304 = 637242^2 + 194952^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6167828421 + ... + 6167828492.

It is an arithmetic number, because the mean of its divisors is an integer number (62363598843).

Almost surely, 2^444083648868 is an apocalyptic number.

It is an amenable number.

444083648868 is an abundant number, since it is smaller than the sum of its proper divisors (678461130306).

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

444083648868 is a wasteful number, since it uses less digits than its factorization.

444083648868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12335656923 (or 12335656918 counting only the distinct ones).

The product of its (nonzero) digits is 113246208, while the sum is 63.

The spelling of 444083648868 in words is "four hundred forty-four billion, eighty-three million, six hundred forty-eight thousand, eight hundred sixty-eight".