445478768 has 20 divisors (see below), whose sum is σ = 986417520. Its totient is φ = 190919424.

The previous prime is 445478741. The next prime is 445478819. The reversal of 445478768 is 867874544.

It is a congruent number.

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, 1988633 + ... + 1988856.

It is an arithmetic number, because the mean of its divisors is an integer number (49320876).

Almost surely, 2^445478768 is an apocalyptic number.

It is an amenable number.

445478768 is an abundant number, since it is smaller than the sum of its proper divisors (540938752).

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

445478768 is a wasteful number, since it uses less digits than its factorization.

445478768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977504 (or 3977498 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 53.

The square root of 445478768 is about 21106.3679490338. The cubic root of 445478768 is about 763.7343721729.

The spelling of 445478768 in words is "four hundred forty-five million, four hundred seventy-eight thousand, seven hundred sixty-eight".