445013904 has 20 divisors (see below), whose sum is σ = 1149619376. Its totient is φ = 148337952.

The previous prime is 445013893. The next prime is 445013927. The reversal of 445013904 is 409310544.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4635514 + ... + 4635609.

Almost surely, 2^445013904 is an apocalyptic number.

It is an amenable number.

445013904 is an abundant number, since it is smaller than the sum of its proper divisors (704605472).

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

445013904 is a wasteful number, since it uses less digits than its factorization.

445013904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271134 (or 9271128 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 445013904 is about 21095.3526635608. The cubic root of 445013904 is about 763.4686234950.

The spelling of 445013904 in words is "four hundred forty-five million, thirteen thousand, nine hundred four".