441666668 has 12 divisors (see below), whose sum is σ = 773517192. Its totient is φ = 220661760.

The previous prime is 441666629. The next prime is 441666671. The reversal of 441666668 is 866666144.

It is a super-4 number, since 4×441666668⁴ (a number of 36 digits) contains 4444 as substring.

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, 37013 + ... + 47468.

It is an arithmetic number, because the mean of its divisors is an integer number (64459766).

Almost surely, 2^441666668 is an apocalyptic number.

It is an amenable number.

441666668 is a deficient number, since it is larger than the sum of its proper divisors (331850524).

441666668 is a wasteful number, since it uses less digits than its factorization.

441666668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85792 (or 85790 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The square root of 441666668 is about 21015.8670532529. The cubic root of 441666668 is about 761.5496244419.

The spelling of 441666668 in words is "four hundred forty-one million, six hundred sixty-six thousand, six hundred sixty-eight".