445964080 has 20 divisors (see below), whose sum is σ = 1036866672. Its totient is φ = 178385600.

The previous prime is 445964041. The next prime is 445964083. The reversal of 445964080 is 80469544.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (445964083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787196 + ... + 2787355.

Almost surely, 2^445964080 is an apocalyptic number.

445964080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445964080 is an abundant number, since it is smaller than the sum of its proper divisors (590902592).

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

445964080 is a wasteful number, since it uses less digits than its factorization.

445964080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574564 (or 5574558 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 445964080 is about 21117.8616341712. The cubic root of 445964080 is about 764.0116131747.

The spelling of 445964080 in words is "four hundred forty-five million, nine hundred sixty-four thousand, eighty".