442328323268 has 72 divisors (see below), whose sum is σ = 848712448584. Its totient is φ = 200519746560.

The previous prime is 442328323211. The next prime is 442328323301. The reversal of 442328323268 is 862323823244.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 117973014784 + 324355308484 = 343472^2 + 569522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199876130 + ... + 199878342.

It is an arithmetic number, because the mean of its divisors is an integer number (11787672897).

Almost surely, 2^442328323268 is an apocalyptic number.

It is an amenable number.

442328323268 is a deficient number, since it is larger than the sum of its proper divisors (406384125316).

442328323268 is a wasteful number, since it uses less digits than its factorization.

442328323268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3322 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 47.

The spelling of 442328323268 in words is "four hundred forty-two billion, three hundred twenty-eight million, three hundred twenty-three thousand, two hundred sixty-eight".