40013339 has 8 divisors (see below), whose sum is σ = 40516512. Its totient is φ = 39513600.

The previous prime is 40013333. The next prime is 40013341. The reversal of 40013339 is 93331004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40013339 - 2²⁴ = 23236123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40013333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28457 + ... + 29829.

It is an arithmetic number, because the mean of its divisors is an integer number (5064564).

Almost surely, 2^40013339 is an apocalyptic number.

40013339 is a deficient number, since it is larger than the sum of its proper divisors (503173).

40013339 is a wasteful number, since it uses less digits than its factorization.

40013339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 40013339 is about 6325.6097729784. The cubic root of 40013339 is about 342.0332007256.

The spelling of 40013339 in words is "forty million, thirteen thousand, three hundred thirty-nine".