444044013220 has 24 divisors (see below), whose sum is σ = 932771173824. Its totient is φ = 177564510816.

The previous prime is 444044013199. The next prime is 444044013251. The reversal of 444044013220 is 22310440444.

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, 3249792 + ... + 3383671.

It is an arithmetic number, because the mean of its divisors is an integer number (38865465576).

Almost surely, 2^444044013220 is an apocalyptic number.

It is an amenable number.

444044013220 is an abundant number, since it is smaller than the sum of its proper divisors (488727160604).

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

444044013220 is a wasteful number, since it uses less digits than its factorization.

444044013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636819 (or 6636817 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 444044013220 its reverse (22310440444), we get a palindrome (466354453664).

The spelling of 444044013220 in words is "four hundred forty-four billion, forty-four million, thirteen thousand, two hundred twenty".