442447874 has 24 divisors (see below), whose sum is σ = 738756480. Its totient is φ = 198558360.

The previous prime is 442447847. The next prime is 442447897. The reversal of 442447874 is 478744244.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7547 + ... + 30689.

It is an arithmetic number, because the mean of its divisors is an integer number (30781520).

Almost surely, 2^442447874 is an apocalyptic number.

442447874 is a deficient number, since it is larger than the sum of its proper divisors (296308606).

442447874 is a wasteful number, since it uses less digits than its factorization.

442447874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23246 (or 23235 counting only the distinct ones).

The product of its digits is 802816, while the sum is 44.

The square root of 442447874 is about 21034.4449415714. Note that the first 3 decimals coincide. The cubic root of 442447874 is about 761.9983615858.

The spelling of 442447874 in words is "four hundred forty-two million, four hundred forty-seven thousand, eight hundred seventy-four".