40938039 has 6 divisors (see below), whose sum is σ = 59132736. Its totient is φ = 27292020.

The previous prime is 40938031. The next prime is 40938041. The reversal of 40938039 is 93083904.

40938039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40938039 - 2³ = 40938031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40937994 and 40938012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40938031) 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 in 5 ways as a sum of consecutive naturals, for example, 2274327 + ... + 2274344.

It is an arithmetic number, because the mean of its divisors is an integer number (9855456).

Almost surely, 2^40938039 is an apocalyptic number.

40938039 is a deficient number, since it is larger than the sum of its proper divisors (18194697).

40938039 is a wasteful number, since it uses less digits than its factorization.

40938039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548677 (or 4548674 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 40938039 is about 6398.2840668417. The cubic root of 40938039 is about 344.6479332195.

The spelling of 40938039 in words is "forty million, nine hundred thirty-eight thousand, thirty-nine".