40339396 has 6 divisors (see below), whose sum is σ = 70593950. Its totient is φ = 20169696.

The previous prime is 40339393. The next prime is 40339441. The reversal of 40339396 is 69393304.

40339396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37380996 + 2958400 = 6114^2 + 1720^2 .

It is not an unprimeable number, because it can be changed into a prime (40339393) 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 as a sum of consecutive naturals, namely, 5042421 + ... + 5042428.

Almost surely, 2^40339396 is an apocalyptic number.

It is an amenable number.

40339396 is a deficient number, since it is larger than the sum of its proper divisors (30254554).

40339396 is a wasteful number, since it uses less digits than its factorization.

40339396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10084853 (or 10084851 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 40339396 is about 6351.3302543640. The cubic root of 40339396 is about 342.9597314370.

The spelling of 40339396 in words is "forty million, three hundred thirty-nine thousand, three hundred ninety-six".