442424200666 has 32 divisors (see below), whose sum is σ = 759339354240. Its totient is φ = 189386055936.

The previous prime is 442424200597. The next prime is 442424200703. The reversal of 442424200666 is 666002424244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50773126 + ... + 50781838.

It is an arithmetic number, because the mean of its divisors is an integer number (23729354820).

Almost surely, 2^442424200666 is an apocalyptic number.

442424200666 is a deficient number, since it is larger than the sum of its proper divisors (316915153574).

442424200666 is a wasteful number, since it uses less digits than its factorization.

442424200666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12598.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 442424200666 in words is "four hundred forty-two billion, four hundred twenty-four million, two hundred thousand, six hundred sixty-six".