445212804 has 12 divisors (see below), whose sum is σ = 1038829904. Its totient is φ = 148404264.

The previous prime is 445212791. The next prime is 445212827. The reversal of 445212804 is 408212544.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18550522 + ... + 18550545.

Almost surely, 2^445212804 is an apocalyptic number.

It is an amenable number.

445212804 is an abundant number, since it is smaller than the sum of its proper divisors (593617100).

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

445212804 is a wasteful number, since it uses less digits than its factorization.

445212804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37101074 (or 37101072 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 445212804 is about 21100.0664453930. The cubic root of 445212804 is about 763.5823512457.

The spelling of 445212804 in words is "four hundred forty-five million, two hundred twelve thousand, eight hundred four".