445920820092 has 72 divisors (see below), whose sum is σ = 1301993430192. Its totient is φ = 127178841600.

The previous prime is 445920820091. The next prime is 445920820099. The reversal of 445920820092 is 290028029544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445920820091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33112759 + ... + 33126222.

It is an arithmetic number, because the mean of its divisors is an integer number (18083242086).

Almost surely, 2^445920820092 is an apocalyptic number.

It is an amenable number.

445920820092 is an abundant number, since it is smaller than the sum of its proper divisors (856072610100).

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

445920820092 is a wasteful number, since it uses less digits than its factorization.

445920820092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66239019 (or 66239014 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 445920820092 in words is "four hundred forty-five billion, nine hundred twenty million, eight hundred twenty thousand, ninety-two".