444631113264572 has 24 divisors (see below), whose sum is σ = 840069363620256. Its totient is φ = 204697447213248.

The previous prime is 444631113264571. The next prime is 444631113264601. The reversal of 444631113264572 is 275462311136444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444631113264571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10768994888 + ... + 10769036175.

It is an arithmetic number, because the mean of its divisors is an integer number (35002890150844).

Almost surely, 2^{444631113264572} is an apocalyptic number.

It is an amenable number.

444631113264572 is a deficient number, since it is larger than the sum of its proper divisors (395438250355684).

444631113264572 is a wasteful number, since it uses less digits than its factorization.

444631113264572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21538031477 (or 21538031475 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 53.

The spelling of 444631113264572 in words is "four hundred forty-four trillion, six hundred thirty-one billion, one hundred thirteen million, two hundred sixty-four thousand, five hundred seventy-two".