445881391112 has 16 divisors (see below), whose sum is σ = 848505633360. Its totient is φ = 219613222224.

The previous prime is 445881391063. The next prime is 445881391127. The reversal of 445881391112 is 211193188544.

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, 415933598 + ... + 415934669.

It is an arithmetic number, because the mean of its divisors is an integer number (53031602085).

Almost surely, 2^445881391112 is an apocalyptic number.

It is an amenable number.

445881391112 is a deficient number, since it is larger than the sum of its proper divisors (402624242248).

445881391112 is a wasteful number, since it uses less digits than its factorization.

445881391112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831868340 (or 831868336 counting only the distinct ones).

The product of its digits is 276480, while the sum is 47.

The spelling of 445881391112 in words is "four hundred forty-five billion, eight hundred eighty-one million, three hundred ninety-one thousand, one hundred twelve".