442626466 has 16 divisors (see below), whose sum is σ = 667647360. Its totient is φ = 220081360.

The previous prime is 442626427. The next prime is 442626469. The reversal of 442626466 is 664626244.

It is not an unprimeable number, because it can be changed into a prime (442626469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455361 + ... + 456331.

It is an arithmetic number, because the mean of its divisors is an integer number (41727960).

Almost surely, 2^442626466 is an apocalyptic number.

442626466 is a deficient number, since it is larger than the sum of its proper divisors (225020894).

442626466 is a wasteful number, since it uses less digits than its factorization.

442626466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its digits is 331776, while the sum is 40.

The square root of 442626466 is about 21038.6897405708. The cubic root of 442626466 is about 762.1008734772.

The spelling of 442626466 in words is "four hundred forty-two million, six hundred twenty-six thousand, four hundred sixty-six".