40839338 has 16 divisors (see below), whose sum is σ = 66956544. Its totient is φ = 18598080.

The previous prime is 40839319. The next prime is 40839347. The reversal of 40839338 is 83393804.

40839338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 18320 + ... + 20427.

It is an arithmetic number, because the mean of its divisors is an integer number (4184784).

Almost surely, 2^40839338 is an apocalyptic number.

40839338 is a deficient number, since it is larger than the sum of its proper divisors (26117206).

40839338 is a wasteful number, since it uses less digits than its factorization.

40839338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38797.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 40839338 is about 6390.5663285815. The cubic root of 40839338 is about 344.3707299842.

The spelling of 40839338 in words is "forty million, eight hundred thirty-nine thousand, three hundred thirty-eight".