444322320309 has 96 divisors (see below), whose sum is σ = 803851776000. Its totient is φ = 230596595712.

The previous prime is 444322320307. The next prime is 444322320383. The reversal of 444322320309 is 903023223444.

444322320309 is a `hidden beast` number, since 4 + 4 + 4 + 3 + 22 + 320 + 309 = 666.

It is not a de Polignac number, because 444322320309 - 2¹ = 444322320307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444322320307) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89416377 + ... + 89421345.

It is an arithmetic number, because the mean of its divisors is an integer number (8373456000).

Almost surely, 2^444322320309 is an apocalyptic number.

It is an amenable number.

444322320309 is a deficient number, since it is larger than the sum of its proper divisors (359529455691).

444322320309 is a wasteful number, since it uses less digits than its factorization.

444322320309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7907 (or 7904 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 444322320309 in words is "four hundred forty-four billion, three hundred twenty-two million, three hundred twenty thousand, three hundred nine".