444020333144 has 32 divisors (see below), whose sum is σ = 843596011440. Its totient is φ = 219067920000.

The previous prime is 444020333131. The next prime is 444020333153. The reversal of 444020333144 is 441333020444.

It is a self number, because there is not a number n which added to its sum of digits gives 444020333144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137894 + ... + 952394.

Almost surely, 2^444020333144 is an apocalyptic number.

It is an amenable number.

444020333144 is a deficient number, since it is larger than the sum of its proper divisors (399575678296).

444020333144 is a wasteful number, since it uses less digits than its factorization.

444020333144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815411 (or 815407 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 444020333144 its reverse (441333020444), we get a palindrome (885353353588).

The spelling of 444020333144 in words is "four hundred forty-four billion, twenty million, three hundred thirty-three thousand, one hundred forty-four".