445935664 has 20 divisors (see below), whose sum is σ = 876171600. Its totient is φ = 219826880.

The previous prime is 445935641. The next prime is 445935667. The reversal of 445935664 is 466539544.

It is not an unprimeable number, because it can be changed into a prime (445935667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195139 + ... + 197410.

It is an arithmetic number, because the mean of its divisors is an integer number (43808580).

Almost surely, 2^445935664 is an apocalyptic number.

It is an amenable number.

445935664 is a deficient number, since it is larger than the sum of its proper divisors (430235936).

445935664 is a wasteful number, since it uses less digits than its factorization.

445935664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392628 (or 392622 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 46.

The square root of 445935664 is about 21117.1888280614. The cubic root of 445935664 is about 763.9953856980.

The spelling of 445935664 in words is "four hundred forty-five million, nine hundred thirty-five thousand, six hundred sixty-four".