444444468888807 has 8 divisors (see below), whose sum is σ = 658436250205680. Its totient is φ = 296296312592520.

The previous prime is 444444468888769. The next prime is 444444468888839. The reversal of 444444468888807 is 708888864444444.

It is a de Polignac number, because none of the positive numbers 2^k-444444468888807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444468888857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8230453127544 + ... + 8230453127597.

It is an arithmetic number, because the mean of its divisors is an integer number (82304531275710).

Almost surely, 2^{444444468888807} is an apocalyptic number.

444444468888807 is a deficient number, since it is larger than the sum of its proper divisors (213991781316873).

444444468888807 is a wasteful number, since it uses less digits than its factorization.

444444468888807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16460906255150 (or 16460906255144 counting only the distinct ones).

The product of its (nonzero) digits is 22548578304, while the sum is 81.

The spelling of 444444468888807 in words is "four hundred forty-four trillion, four hundred forty-four billion, four hundred sixty-eight million, eight hundred eighty-eight thousand, eight hundred seven".