442628268 has 24 divisors (see below), whose sum is σ = 1038047472. Its totient is φ = 146793024.

The previous prime is 442628243. The next prime is 442628311. The reversal of 442628268 is 862826244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91255 + ... + 95982.

It is an arithmetic number, because the mean of its divisors is an integer number (43251978).

Almost surely, 2^442628268 is an apocalyptic number.

It is an amenable number.

442628268 is an abundant number, since it is smaller than the sum of its proper divisors (595419204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442628268 is a wasteful number, since it uses less digits than its factorization.

442628268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187441 (or 187439 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 442628268 is about 21038.7325663881. The cubic root of 442628268 is about 762.1019076855.

The spelling of 442628268 in words is "four hundred forty-two million, six hundred twenty-eight thousand, two hundred sixty-eight".