442248168 has 32 divisors (see below), whose sum is σ = 1107352800. Its totient is φ = 147185088.

The previous prime is 442248091. The next prime is 442248179. The reversal of 442248168 is 861842244.

It is a nude number because it is divisible by every one of its digits.

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, 1563 + ... + 29781.

It is an arithmetic number, because the mean of its divisors is an integer number (34604775).

Almost surely, 2^442248168 is an apocalyptic number.

It is an amenable number.

442248168 is an abundant number, since it is smaller than the sum of its proper divisors (665104632).

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

442248168 is a wasteful number, since it uses less digits than its factorization.

442248168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28881 (or 28877 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 442248168 is about 21029.6972874076. The cubic root of 442248168 is about 761.8836975729.

The spelling of 442248168 in words is "four hundred forty-two million, two hundred forty-eight thousand, one hundred sixty-eight".