445886668 has 12 divisors (see below), whose sum is σ = 795024720. Its totient is φ = 218736752.

The previous prime is 445886657. The next prime is 445886681. The reversal of 445886668 is 866688544.

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, 1051408 + ... + 1051831.

It is an arithmetic number, because the mean of its divisors is an integer number (66252060).

Almost surely, 2^445886668 is an apocalyptic number.

It is an amenable number.

445886668 is a deficient number, since it is larger than the sum of its proper divisors (349138052).

445886668 is a wasteful number, since it uses less digits than its factorization.

445886668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103296 (or 2103294 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 55.

The square root of 445886668 is about 21116.0286985977. The cubic root of 445886668 is about 763.9674040167.

The spelling of 445886668 in words is "four hundred forty-five million, eight hundred eighty-six thousand, six hundred sixty-eight".