444402064022 has 24 divisors (see below), whose sum is σ = 776103208776. Its totient is φ = 190294214208.

The previous prime is 444402063983. The next prime is 444402064027. The reversal of 444402064022 is 220460204444.

It is a self number, because there is not a number n which added to its sum of digits gives 444402064022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444402064027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835603 + ... + 2063550.

It is an arithmetic number, because the mean of its divisors is an integer number (32337633699).

Almost surely, 2^444402064022 is an apocalyptic number.

444402064022 is a deficient number, since it is larger than the sum of its proper divisors (331701144754).

444402064022 is a wasteful number, since it uses less digits than its factorization.

444402064022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900332 (or 3900325 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 444402064022 its reverse (220460204444), we get a palindrome (664862268466).

The spelling of 444402064022 in words is "four hundred forty-four billion, four hundred two million, sixty-four thousand, twenty-two".