445756648 has 16 divisors (see below), whose sum is σ = 853577280. Its totient is φ = 218136048.

The previous prime is 445756639. The next prime is 445756669. The reversal of 445756648 is 846657544.

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, 592386 + ... + 593137.

It is an arithmetic number, because the mean of its divisors is an integer number (53348580).

Almost surely, 2^445756648 is an apocalyptic number.

It is an amenable number.

445756648 is a deficient number, since it is larger than the sum of its proper divisors (407820632).

445756648 is a wasteful number, since it uses less digits than its factorization.

445756648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185576 (or 1185572 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The square root of 445756648 is about 21112.9497702240. The cubic root of 445756648 is about 763.8931394816.

The spelling of 445756648 in words is "four hundred forty-five million, seven hundred fifty-six thousand, six hundred forty-eight".