40740939 has 6 divisors (see below), whose sum is σ = 58848036. Its totient is φ = 27160620.

The previous prime is 40740877. The next prime is 40740967. The reversal of 40740939 is 93904704.

40740939 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 40740939 - 2⁸ = 40740683 is a prime.

It is a super-2 number, since 2×40740939² = 3319648221203442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40740989) 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, 2263377 + ... + 2263394.

It is an arithmetic number, because the mean of its divisors is an integer number (9808006).

Almost surely, 2^40740939 is an apocalyptic number.

40740939 is a deficient number, since it is larger than the sum of its proper divisors (18107097).

40740939 is a wasteful number, since it uses less digits than its factorization.

40740939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526777 (or 4526774 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40740939 is about 6382.8629156516. The cubic root of 40740939 is about 344.0939299790.

The spelling of 40740939 in words is "forty million, seven hundred forty thousand, nine hundred thirty-nine".