445939858944 has 160 divisors (see below), whose sum is σ = 1330411991040. Its totient is φ = 147475593216.

The previous prime is 445939858927. The next prime is 445939858999. The reversal of 445939858944 is 449858939544.

445939858944 is a `hidden beast` number, since 4 + 4 + 5 + 9 + 39 + 8 + 589 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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, 1628647 + ... + 1882649.

It is an arithmetic number, because the mean of its divisors is an integer number (8315074944).

Almost surely, 2^445939858944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445939858944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665205995520).

445939858944 is an abundant number, since it is smaller than the sum of its proper divisors (884472132096).

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

445939858944 is a wasteful number, since it uses less digits than its factorization.

445939858944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254157 (or 254135 counting only the distinct ones).

The product of its digits is 895795200, while the sum is 72.

The spelling of 445939858944 in words is "four hundred forty-five billion, nine hundred thirty-nine million, eight hundred fifty-eight thousand, nine hundred forty-four".