444163256322 has 32 divisors (see below), whose sum is σ = 919936942848. Its totient is φ = 142868981136.

The previous prime is 444163256309. The next prime is 444163256359. The reversal of 444163256322 is 223652361444.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10349448 + ... + 10392275.

It is an arithmetic number, because the mean of its divisors is an integer number (28748029464).

Almost surely, 2^444163256322 is an apocalyptic number.

444163256322 is an abundant number, since it is smaller than the sum of its proper divisors (475773686526).

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

444163256322 is a wasteful number, since it uses less digits than its factorization.

444163256322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20741854.

The product of its digits is 829440, while the sum is 42.

The spelling of 444163256322 in words is "four hundred forty-four billion, one hundred sixty-three million, two hundred fifty-six thousand, three hundred twenty-two".