445544684 has 48 divisors (see below), whose sum is σ = 879318720. Its totient is φ = 195993600.

The previous prime is 445544647. The next prime is 445544711. The reversal of 445544684 is 486445544.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479132 + ... + 480060.

It is an arithmetic number, because the mean of its divisors is an integer number (18319140).

Almost surely, 2^445544684 is an apocalyptic number.

It is an amenable number.

445544684 is a deficient number, since it is larger than the sum of its proper divisors (433774036).

445544684 is a wasteful number, since it uses less digits than its factorization.

445544684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1368 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 44.

The square root of 445544684 is about 21107.9294105320. The cubic root of 445544684 is about 763.7720393868.

The spelling of 445544684 in words is "four hundred forty-five million, five hundred forty-four thousand, six hundred eighty-four".