444242245217 has 24 divisors (see below), whose sum is σ = 465203321856. Its totient is φ = 423739008000.

The previous prime is 444242245207. The next prime is 444242245231. The reversal of 444242245217 is 712542242444.

It is not a de Polignac number, because 444242245217 - 2¹⁶ = 444242179681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444242245207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237434792 + ... + 237436662.

It is an arithmetic number, because the mean of its divisors is an integer number (19383471744).

Almost surely, 2^444242245217 is an apocalyptic number.

It is an amenable number.

444242245217 is a deficient number, since it is larger than the sum of its proper divisors (20961076639).

444242245217 is an equidigital number, since it uses as much as digits as its factorization.

444242245217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561 (or 2280 counting only the distinct ones).

The product of its digits is 573440, while the sum is 41.

The spelling of 444242245217 in words is "four hundred forty-four billion, two hundred forty-two million, two hundred forty-five thousand, two hundred seventeen".