445041904 has 20 divisors (see below), whose sum is σ = 899759376. Its totient is φ = 212845952.

The previous prime is 445041893. The next prime is 445041907. The reversal of 445041904 is 409140544.

It is a super-3 number, since 3×445041904³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445041907) 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, 604309 + ... + 605044.

Almost surely, 2^445041904 is an apocalyptic number.

It is an amenable number.

445041904 is an abundant number, since it is smaller than the sum of its proper divisors (454717472).

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

445041904 is a wasteful number, since it uses less digits than its factorization.

445041904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209384 (or 1209378 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 445041904 is about 21096.0163064025. The cubic root of 445041904 is about 763.4846354840.

The spelling of 445041904 in words is "four hundred forty-five million, forty-one thousand, nine hundred four".