40339043 has 4 divisors (see below), whose sum is σ = 40353240. Its totient is φ = 40324848.

The previous prime is 40339027. The next prime is 40339063. The reversal of 40339043 is 34093304.

40339043 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 cyclic number.

It is not a de Polignac number, because 40339043 - 2⁴ = 40339027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40339003) 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 3 ways as a sum of consecutive naturals, for example, 1205 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (10088310).

Almost surely, 2^40339043 is an apocalyptic number.

40339043 is a deficient number, since it is larger than the sum of its proper divisors (14197).

40339043 is a wasteful number, since it uses less digits than its factorization.

40339043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14196.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 40339043 is about 6351.3024648492. The cubic root of 40339043 is about 342.9587310490.

The spelling of 40339043 in words is "forty million, three hundred thirty-nine thousand, forty-three".