444221011144 has 32 divisors (see below), whose sum is σ = 838665027000. Its totient is φ = 220578508800.

The previous prime is 444221011111. The next prime is 444221011159. The reversal of 444221011144 is 441110122444.

It can be written as a sum of positive squares in 4 ways, for example, as 170940902500 + 273280108644 = 413450^2 + 522762^2 .

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, 2294632 + ... + 2480680.

Almost surely, 2^444221011144 is an apocalyptic number.

It is an amenable number.

444221011144 is a deficient number, since it is larger than the sum of its proper divisors (394444015856).

444221011144 is a wasteful number, since it uses less digits than its factorization.

444221011144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188113 (or 188109 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 444221011144 its reverse (441110122444), we get a palindrome (885331133588).

The spelling of 444221011144 in words is "four hundred forty-four billion, two hundred twenty-one million, eleven thousand, one hundred forty-four".