442682668 has 12 divisors (see below), whose sum is σ = 786257752. Its totient is φ = 218037600.

The previous prime is 442682629. The next prime is 442682677. The reversal of 442682668 is 866286244.

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, 825633 + ... + 826168.

Almost surely, 2^442682668 is an apocalyptic number.

It is an amenable number.

442682668 is a deficient number, since it is larger than the sum of its proper divisors (343575084).

442682668 is a wasteful number, since it uses less digits than its factorization.

442682668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651872 (or 1651870 counting only the distinct ones).

The product of its digits is 884736, while the sum is 46.

The square root of 442682668 is about 21040.0253802128. The cubic root of 442682668 is about 762.1331277472.

The spelling of 442682668 in words is "four hundred forty-two million, six hundred eighty-two thousand, six hundred sixty-eight".