40345339 has 8 divisors (see below), whose sum is σ = 41126832. Its totient is φ = 39567840.

The previous prime is 40345297. The next prime is 40345367. The reversal of 40345339 is 93354304.

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 40345339 - 2¹¹ = 40343291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40345339.

It is not an unprimeable number, because it can be changed into a prime (40345399) 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, 26277 + ... + 27769.

It is an arithmetic number, because the mean of its divisors is an integer number (5140854).

Almost surely, 2^40345339 is an apocalyptic number.

40345339 is a deficient number, since it is larger than the sum of its proper divisors (781493).

40345339 is a wasteful number, since it uses less digits than its factorization.

40345339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 40345339 is about 6351.7980918792. The cubic root of 40345339 is about 342.9765727865.

The spelling of 40345339 in words is "forty million, three hundred forty-five thousand, three hundred thirty-nine".