40086806 has 4 divisors (see below), whose sum is σ = 60130212. Its totient is φ = 20043402.

The previous prime is 40086803. The next prime is 40086853. The reversal of 40086806 is 60868004.

40086806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40086803) by changing a digit.

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 as a sum of consecutive naturals, namely, 10021700 + ... + 10021703.

It is an arithmetic number, because the mean of its divisors is an integer number (15032553).

Almost surely, 2^40086806 is an apocalyptic number.

40086806 is a deficient number, since it is larger than the sum of its proper divisors (20043406).

40086806 is a wasteful number, since it uses less digits than its factorization.

40086806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20043405.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 40086806 is about 6331.4142180085. The cubic root of 40086806 is about 342.2424042104.

The spelling of 40086806 in words is "forty million, eighty-six thousand, eight hundred six".