444388078079 has 4 divisors (see below), whose sum is σ = 484786994280. Its totient is φ = 403989161880.

The previous prime is 444388078039. The next prime is 444388078103. The reversal of 444388078079 is 970870883444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444388078079 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 (444388078039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20199458084 + ... + 20199458105.

It is an arithmetic number, because the mean of its divisors is an integer number (121196748570).

Almost surely, 2^444388078079 is an apocalyptic number.

444388078079 is a deficient number, since it is larger than the sum of its proper divisors (40398916201).

444388078079 is a wasteful number, since it uses less digits than its factorization.

444388078079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40398916200.

The product of its (nonzero) digits is 43352064, while the sum is 62.

The spelling of 444388078079 in words is "four hundred forty-four billion, three hundred eighty-eight million, seventy-eight thousand, seventy-nine".