444218035864 has 8 divisors (see below), whose sum is σ = 832908817260. Its totient is φ = 222109017928.

The previous prime is 444218035831. The next prime is 444218035873. The reversal of 444218035864 is 468530812444.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27763627234 + ... + 27763627249.

Almost surely, 2^444218035864 is an apocalyptic number.

It is an amenable number.

444218035864 is a deficient number, since it is larger than the sum of its proper divisors (388690781396).

444218035864 is a wasteful number, since it uses less digits than its factorization.

444218035864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55527254489 (or 55527254485 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 49.

The spelling of 444218035864 in words is "four hundred forty-four billion, two hundred eighteen million, thirty-five thousand, eight hundred sixty-four".