40339337 has 4 divisors (see below), whose sum is σ = 42462480. Its totient is φ = 38216196.

The previous prime is 40339333. The next prime is 40339349. The reversal of 40339337 is 73393304.

40339337 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40339337 - 2² = 40339333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40339331) 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, 1061543 + ... + 1061580.

It is an arithmetic number, because the mean of its divisors is an integer number (10615620).

Almost surely, 2^40339337 is an apocalyptic number.

It is an amenable number.

40339337 is a deficient number, since it is larger than the sum of its proper divisors (2123143).

40339337 is a wasteful number, since it uses less digits than its factorization.

40339337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123142.

The product of its (nonzero) digits is 20412, while the sum is 32.

The square root of 40339337 is about 6351.3256096661. The cubic root of 40339337 is about 342.9595642337.

The spelling of 40339337 in words is "forty million, three hundred thirty-nine thousand, three hundred thirty-seven".