445804672 has 32 divisors (see below), whose sum is σ = 889832700. Its totient is φ = 222474240.

The previous prime is 445804627. The next prime is 445804739. The reversal of 445804672 is 276408544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 376981056 + 68823616 = 19416^2 + 8296^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 69772 + ... + 75892.

Almost surely, 2^445804672 is an apocalyptic number.

It is an amenable number.

445804672 is a deficient number, since it is larger than the sum of its proper divisors (444028028).

445804672 is an equidigital number, since it uses as much as digits as its factorization.

445804672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704 (or 6692 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 445804672 is about 21114.0870510662. The cubic root of 445804672 is about 763.9205714050.

The spelling of 445804672 in words is "four hundred forty-five million, eight hundred four thousand, six hundred seventy-two".