444242042239 has 4 divisors (see below), whose sum is σ = 444256444800. Its totient is φ = 444227639680.

The previous prime is 444242042227. The next prime is 444242042267. The reversal of 444242042239 is 932240242444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444242042239 - 2¹⁷ = 444241911167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444242045239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7154914 + ... + 7216735.

It is an arithmetic number, because the mean of its divisors is an integer number (111064111200).

Almost surely, 2^444242042239 is an apocalyptic number.

444242042239 is a deficient number, since it is larger than the sum of its proper divisors (14402561).

444242042239 is a wasteful number, since it uses less digits than its factorization.

444242042239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14402560.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 444242042239 in words is "four hundred forty-four billion, two hundred forty-two million, forty-two thousand, two hundred thirty-nine".