4085071894 has 12 divisors (see below), whose sum is σ = 6185445084. Its totient is φ = 2023435484.

The previous prime is 4085071829. The next prime is 4085071943. The reversal of 4085071894 is 4981705804.

4085071894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66304 + ... + 112099.

It is an arithmetic number, because the mean of its divisors is an integer number (515453757).

Almost surely, 2^4085071894 is an apocalyptic number.

4085071894 is a deficient number, since it is larger than the sum of its proper divisors (2100373190).

4085071894 is a wasteful number, since it uses less digits than its factorization.

4085071894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178619 (or 178512 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 4085071894 is about 63914.5671502201. The cubic root of 4085071894 is about 1598.5758021953.

The spelling of 4085071894 in words is "four billion, eighty-five million, seventy-one thousand, eight hundred ninety-four".