442168867 has 8 divisors (see below), whose sum is σ = 505984256. Its totient is φ = 378515592.

The previous prime is 442168847. The next prime is 442168873. The reversal of 442168867 is 768861244.

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

It is not a de Polignac number, because 442168867 - 2²⁷ = 307951139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442168847) 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, 34623 + ... + 45640.

It is an arithmetic number, because the mean of its divisors is an integer number (63248032).

Almost surely, 2^442168867 is an apocalyptic number.

442168867 is a deficient number, since it is larger than the sum of its proper divisors (63815389).

442168867 is an equidigital number, since it uses as much as digits as its factorization.

442168867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81057.

The product of its digits is 516096, while the sum is 46.

The square root of 442168867 is about 21027.8117501560. The cubic root of 442168867 is about 761.8381562117.

The spelling of 442168867 in words is "four hundred forty-two million, one hundred sixty-eight thousand, eight hundred sixty-seven".