444253313312 has 24 divisors (see below), whose sum is σ = 874664406000. Its totient is φ = 222116321344.

The previous prime is 444253313239. The next prime is 444253313321. The reversal of 444253313312 is 213313352444.

It is a super-2 number, since 2×444253313312² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400439 + ... + 1024137.

It is an arithmetic number, because the mean of its divisors is an integer number (36444350250).

Almost surely, 2^444253313312 is an apocalyptic number.

It is an amenable number.

444253313312 is a deficient number, since it is larger than the sum of its proper divisors (430411092688).

444253313312 is a wasteful number, since it uses less digits than its factorization.

444253313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645968 (or 645960 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

Adding to 444253313312 its reverse (213313352444), we get a palindrome (657566665756).

The spelling of 444253313312 in words is "four hundred forty-four billion, two hundred fifty-three million, three hundred thirteen thousand, three hundred twelve".