444401298816 has 64 divisors (see below), whose sum is σ = 1180529399280. Its totient is φ = 148122667008.

The previous prime is 444401298799. The next prime is 444401298857. The reversal of 444401298816 is 618892104444.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6292050 + ... + 6362286.

Almost surely, 2^444401298816 is an apocalyptic number.

It is an amenable number.

444401298816 is an abundant number, since it is smaller than the sum of its proper divisors (736128100464).

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

444401298816 is a wasteful number, since it uses less digits than its factorization.

444401298816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86731 (or 86719 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 444401298816 in words is "four hundred forty-four billion, four hundred one million, two hundred ninety-eight thousand, eight hundred sixteen".