445440832 has 28 divisors (see below), whose sum is σ = 900606276. Its totient is φ = 218516480.

The previous prime is 445440823. The next prime is 445440847. The reversal of 445440832 is 238044544.

It can be written as a sum of positive squares in 2 ways, for example, as 135117376 + 310323456 = 11624^2 + 17616^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62269 + ... + 69052.

Almost surely, 2^445440832 is an apocalyptic number.

It is an amenable number.

445440832 is an abundant number, since it is smaller than the sum of its proper divisors (455165444).

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

445440832 is a wasteful number, since it uses less digits than its factorization.

445440832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131386 (or 131376 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The square root of 445440832 is about 21105.4692437766. The cubic root of 445440832 is about 763.7126922398.

The spelling of 445440832 in words is "four hundred forty-five million, four hundred forty thousand, eight hundred thirty-two".