444203232986 has 16 divisors (see below), whose sum is σ = 674774822400. Its totient is φ = 219278590128.

The previous prime is 444203232983. The next prime is 444203233009. The reversal of 444203232986 is 689232302444.

It is a self number, because there is not a number n which added to its sum of digits gives 444203232986.

It is not an unprimeable number, because it can be changed into a prime (444203232983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3442511 + ... + 3569213.

It is an arithmetic number, because the mean of its divisors is an integer number (42173426400).

Almost surely, 2^444203232986 is an apocalyptic number.

444203232986 is a deficient number, since it is larger than the sum of its proper divisors (230571589414).

444203232986 is a wasteful number, since it uses less digits than its factorization.

444203232986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148973.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 444203232986 in words is "four hundred forty-four billion, two hundred three million, two hundred thirty-two thousand, nine hundred eighty-six".