444332314424021 has 16 divisors (see below), whose sum is σ = 460383545573376. Its totient is φ = 428388629310000.

The previous prime is 444332314423999. The next prime is 444332314424039. The reversal of 444332314424021 is 120424413233444.

It is a cyclic number.

It is not a de Polignac number, because 444332314424021 - 2²⁶ = 444332247315157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444332314424021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444332314424041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151538456 + ... + 154442766.

It is an arithmetic number, because the mean of its divisors is an integer number (28773971598336).

Almost surely, 2^{444332314424021} is an apocalyptic number.

It is an amenable number.

444332314424021 is a deficient number, since it is larger than the sum of its proper divisors (16051231149355).

444332314424021 is a wasteful number, since it uses less digits than its factorization.

444332314424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922824.

The product of its (nonzero) digits is 884736, while the sum is 41.

Adding to 444332314424021 its reverse (120424413233444), we get a palindrome (564756727657465).

The spelling of 444332314424021 in words is "four hundred forty-four trillion, three hundred thirty-two billion, three hundred fourteen million, four hundred twenty-four thousand, twenty-one".