442662420466 has 16 divisors (see below), whose sum is σ = 770175982656. Its totient is φ = 186880936176.

The previous prime is 442662420349. The next prime is 442662420467. The reversal of 442662420466 is 664024266244.

It is not an unprimeable number, because it can be changed into a prime (442662420467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235959841 + ... + 235961716.

It is an arithmetic number, because the mean of its divisors is an integer number (48135998916).

Almost surely, 2^442662420466 is an apocalyptic number.

442662420466 is a deficient number, since it is larger than the sum of its proper divisors (327513562190).

442662420466 is a wasteful number, since it uses less digits than its factorization.

442662420466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471921633.

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 442662420466 in words is "four hundred forty-two billion, six hundred sixty-two million, four hundred twenty thousand, four hundred sixty-six".