40866886 has 4 divisors (see below), whose sum is σ = 61300332. Its totient is φ = 20433442.

The previous prime is 40866877. The next prime is 40866893. The reversal of 40866886 is 68866804.

40866886 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 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 as a sum of consecutive naturals, namely, 10216720 + ... + 10216723.

It is an arithmetic number, because the mean of its divisors is an integer number (15325083).

Almost surely, 2^40866886 is an apocalyptic number.

40866886 is a deficient number, since it is larger than the sum of its proper divisors (20433446).

40866886 is a wasteful number, since it uses less digits than its factorization.

40866886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20433445.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 40866886 is about 6392.7213297625. The cubic root of 40866886 is about 344.4481438459.

The spelling of 40866886 in words is "forty million, eight hundred sixty-six thousand, eight hundred eighty-six".