442845086 has 16 divisors (see below), whose sum is σ = 673506240. Its totient is φ = 218350080.

The previous prime is 442845077. The next prime is 442845097. The reversal of 442845086 is 680548244.

It is a super-2 number, since 2×442845086² = 392223540388694792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 203846 + ... + 206006.

It is an arithmetic number, because the mean of its divisors is an integer number (42094140).

Almost surely, 2^442845086 is an apocalyptic number.

442845086 is a deficient number, since it is larger than the sum of its proper divisors (230661154).

442845086 is a wasteful number, since it uses less digits than its factorization.

442845086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539.

The product of its (nonzero) digits is 245760, while the sum is 41.

The square root of 442845086 is about 21043.8847649382. The cubic root of 442845086 is about 762.2263239287.

The spelling of 442845086 in words is "four hundred forty-two million, eight hundred forty-five thousand, eighty-six".