444492666938 has 16 divisors (see below), whose sum is σ = 685707755040. Its totient is φ = 215975888016.

The previous prime is 444492666931. The next prime is 444492666941. The reversal of 444492666938 is 839666294444.

It is not an unprimeable number, because it can be changed into a prime (444492666931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13101128 + ... + 13135011.

It is an arithmetic number, because the mean of its divisors is an integer number (42856734690).

Almost surely, 2^444492666938 is an apocalyptic number.

444492666938 is a deficient number, since it is larger than the sum of its proper divisors (241215088102).

444492666938 is a wasteful number, since it uses less digits than its factorization.

444492666938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26236381.

The product of its digits is 214990848, while the sum is 65.

The spelling of 444492666938 in words is "four hundred forty-four billion, four hundred ninety-two million, six hundred sixty-six thousand, nine hundred thirty-eight".