40342186 has 8 divisors (see below), whose sum is σ = 60540480. Its totient is φ = 20162028.

The previous prime is 40342163. The next prime is 40342193. The reversal of 40342186 is 68124304.

40342186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5265 + ... + 10411.

It is an arithmetic number, because the mean of its divisors is an integer number (7567560).

Almost surely, 2^40342186 is an apocalyptic number.

40342186 is a deficient number, since it is larger than the sum of its proper divisors (20198294).

40342186 is a wasteful number, since it uses less digits than its factorization.

40342186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 40342186 is about 6351.5498895939. The cubic root of 40342186 is about 342.9676379807.

The spelling of 40342186 in words is "forty million, three hundred forty-two thousand, one hundred eighty-six".