40939886 has 8 divisors (see below), whose sum is σ = 66133704. Its totient is φ = 18895320.

The previous prime is 40939841. The next prime is 40939907. The reversal of 40939886 is 68893904.

40939886 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 a self number, because there is not a number n which added to its sum of digits gives 40939886.

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 in 3 ways as a sum of consecutive naturals, for example, 787280 + ... + 787331.

It is an arithmetic number, because the mean of its divisors is an integer number (8266713).

Almost surely, 2^40939886 is an apocalyptic number.

40939886 is a deficient number, since it is larger than the sum of its proper divisors (25193818).

40939886 is a wasteful number, since it uses less digits than its factorization.

40939886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574626.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 40939886 is about 6398.4284007872. The cubic root of 40939886 is about 344.6531162975.

The spelling of 40939886 in words is "forty million, nine hundred thirty-nine thousand, eight hundred eighty-six".