442168846 has 64 divisors (see below), whose sum is σ = 806400000. Its totient is φ = 181621440.

The previous prime is 442168819. The next prime is 442168847. The reversal of 442168846 is 648861244.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 2221855 + ... + 2222053.

It is an arithmetic number, because the mean of its divisors is an integer number (12600000).

Almost surely, 2^442168846 is an apocalyptic number.

442168846 is a deficient number, since it is larger than the sum of its proper divisors (364231154).

442168846 is a wasteful number, since it uses less digits than its factorization.

442168846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 328 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The square root of 442168846 is about 21027.8112508173. The cubic root of 442168846 is about 761.8381441510.

The spelling of 442168846 in words is "four hundred forty-two million, one hundred sixty-eight thousand, eight hundred forty-six".