444444468888888 has 128 divisors (see below), whose sum is σ = 1329544647681600. Its totient is φ = 136751124787200.

The previous prime is 444444468888887. The next prime is 444444468888907. The reversal of 444444468888888 is 888888864444444.

444444468888888 is a `hidden beast` number, since 4 + 4 + 4 + 4 + 4 + 446 + 8 + 8 + 8 + 88 + 88 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 444444468888798 and 444444468888807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444468888887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432820548 + ... + 433846188.

Almost surely, 2^{444444468888888} is an apocalyptic number.

It is an amenable number.

444444468888888 is an abundant number, since it is smaller than the sum of its proper divisors (885100178792712).

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

444444468888888 is a wasteful number, since it uses less digits than its factorization.

444444468888888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179990 (or 1179980 counting only the distinct ones).

The product of its digits is 206158430208, while the sum is 90.

The spelling of 444444468888888 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 eighty-eight".