444385718 has 16 divisors (see below), whose sum is σ = 801899520. Its totient is φ = 180427176.

The previous prime is 444385709. The next prime is 444385751. The reversal of 444385718 is 817583444.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835046 + ... + 835577.

It is an arithmetic number, because the mean of its divisors is an integer number (50118720).

Almost surely, 2^444385718 is an apocalyptic number.

444385718 is a deficient number, since it is larger than the sum of its proper divisors (357513802).

444385718 is a wasteful number, since it uses less digits than its factorization.

444385718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670651.

The product of its digits is 430080, while the sum is 44.

The square root of 444385718 is about 21080.4582018513. The cubic root of 444385718 is about 763.1092143896.

The spelling of 444385718 in words is "four hundred forty-four million, three hundred eighty-five thousand, seven hundred eighteen".