445807541553388 has 24 divisors (see below), whose sum is σ = 891721519660832. Its totient is φ = 191037567118464.

The previous prime is 445807541553383. The next prime is 445807541553427. The reversal of 445807541553388 is 883355145708544.

It is not an unprimeable number, because it can be changed into a prime (445807541553383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 950087631 + ... + 950556742.

Almost surely, 2^{445807541553388} is an apocalyptic number.

It is an amenable number.

445807541553388 is an abundant number, since it is smaller than the sum of its proper divisors (445913978107444).

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

445807541553388 is a wasteful number, since it uses less digits than its factorization.

445807541553388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900652761 (or 1900652759 counting only the distinct ones).

The product of its (nonzero) digits is 1290240000, while the sum is 70.

The spelling of 445807541553388 in words is "four hundred forty-five trillion, eight hundred seven billion, five hundred forty-one million, five hundred fifty-three thousand, three hundred eighty-eight".