4090866086 has 4 divisors (see below), whose sum is σ = 6136299132. Its totient is φ = 2045433042.

The previous prime is 4090866047. The next prime is 4090866097. The reversal of 4090866086 is 6806680904.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4090866086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022716520 + ... + 1022716523.

It is an arithmetic number, because the mean of its divisors is an integer number (1534074783).

Almost surely, 2^4090866086 is an apocalyptic number.

4090866086 is a deficient number, since it is larger than the sum of its proper divisors (2045433046).

4090866086 is a wasteful number, since it uses less digits than its factorization.

4090866086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045433045.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 4090866086 is about 63959.8787209607. The cubic root of 4090866086 is about 1599.3312421303.

The spelling of 4090866086 in words is "four billion, ninety million, eight hundred sixty-six thousand, eighty-six".