445840092 has 48 divisors (see below), whose sum is σ = 1216723200. Its totient is φ = 140790960.

The previous prime is 445840063. The next prime is 445840097. The reversal of 445840092 is 290048544.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445840097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106584 + ... + 110687.

It is an arithmetic number, because the mean of its divisors is an integer number (25348400).

Almost surely, 2^445840092 is an apocalyptic number.

It is an amenable number.

445840092 is an abundant number, since it is smaller than the sum of its proper divisors (770883108).

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

445840092 is a wasteful number, since it uses less digits than its factorization.

445840092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217303 (or 217295 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 445840092 is about 21114.9258109045. The cubic root of 445840092 is about 763.9408025001.

The spelling of 445840092 in words is "four hundred forty-five million, eight hundred forty thousand, ninety-two".