40038339 has 16 divisors (see below), whose sum is σ = 61303680. Its totient is φ = 22988160.

The previous prime is 40038337. The next prime is 40038343. The reversal of 40038339 is 93383004.

It is a happy number.

It is not a de Polignac number, because 40038339 - 2¹ = 40038337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40038337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31302 + ... + 32555.

It is an arithmetic number, because the mean of its divisors is an integer number (3831480).

Almost surely, 2^40038339 is an apocalyptic number.

40038339 is a deficient number, since it is larger than the sum of its proper divisors (21265341).

40038339 is a wasteful number, since it uses less digits than its factorization.

40038339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63890.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 40038339 is about 6327.5855584891. The cubic root of 40038339 is about 342.1044190578.

The spelling of 40038339 in words is "forty million, thirty-eight thousand, three hundred thirty-nine".