445895604 has 240 divisors, whose sum is σ = 1482155136. Its totient is φ = 113529600.

The previous prime is 445895581. The next prime is 445895617. The reversal of 445895604 is 406598544.

445895604 is a `hidden beast` number, since 4 + 4 + 5 + 89 + 560 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 445895604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1521682 + ... + 1521974.

Almost surely, 2^445895604 is an apocalyptic number.

445895604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445895604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741077568).

445895604 is an abundant number, since it is smaller than the sum of its proper divisors (1036259532).

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

445895604 is a wasteful number, since it uses less digits than its factorization.

445895604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 445895604 is about 21116.2402903547. The cubic root of 445895604 is about 763.9725075311.

The spelling of 445895604 in words is "four hundred forty-five million, eight hundred ninety-five thousand, six hundred four".