445136944764 has 12 divisors (see below), whose sum is σ = 1038652871144. Its totient is φ = 148378981584.

The previous prime is 445136944741. The next prime is 445136944801. The reversal of 445136944764 is 467449631544.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18547372687 + ... + 18547372710.

Almost surely, 2^445136944764 is an apocalyptic number.

It is an amenable number.

445136944764 is an abundant number, since it is smaller than the sum of its proper divisors (593515926380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445136944764 is a wasteful number, since it uses less digits than its factorization.

445136944764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37094745404 (or 37094745402 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 57.

The spelling of 445136944764 in words is "four hundred forty-five billion, one hundred thirty-six million, nine hundred forty-four thousand, seven hundred sixty-four".