442163266 has 8 divisors (see below), whose sum is σ = 664130304. Its totient is φ = 220786500.

The previous prime is 442163243. The next prime is 442163273. The reversal of 442163266 is 662361244.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 145690 + ... + 148693.

It is an arithmetic number, because the mean of its divisors is an integer number (83016288).

Almost surely, 2^442163266 is an apocalyptic number.

442163266 is a deficient number, since it is larger than the sum of its proper divisors (221967038).

442163266 is a wasteful number, since it uses less digits than its factorization.

442163266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295136.

The product of its digits is 41472, while the sum is 34.

The square root of 442163266 is about 21027.6785689719. The cubic root of 442163266 is about 761.8349394365.

The spelling of 442163266 in words is "four hundred forty-two million, one hundred sixty-three thousand, two hundred sixty-six".