445530460 has 24 divisors (see below), whose sum is σ = 938616336. Its totient is φ = 177640320.

The previous prime is 445530457. The next prime is 445530511. The reversal of 445530460 is 64035544.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29326 + ... + 41845.

It is an arithmetic number, because the mean of its divisors is an integer number (39109014).

Almost surely, 2^445530460 is an apocalyptic number.

It is an amenable number.

445530460 is an abundant number, since it is smaller than the sum of its proper divisors (493085876).

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

445530460 is a wasteful number, since it uses less digits than its factorization.

445530460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71493 (or 71491 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 445530460 is about 21107.5924728520. The cubic root of 445530460 is about 763.7639115008.

The spelling of 445530460 in words is "four hundred forty-five million, five hundred thirty thousand, four hundred sixty".