40005339 has 8 divisors (see below), whose sum is σ = 58189632. Its totient is φ = 24245640.

The previous prime is 40005337. The next prime is 40005347. The reversal of 40005339 is 93350004.

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

It is not a de Polignac number, because 40005339 - 2¹ = 40005337 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (40005331) 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, 606109 + ... + 606174.

It is an arithmetic number, because the mean of its divisors is an integer number (7273704).

Almost surely, 2^40005339 is an apocalyptic number.

40005339 is a deficient number, since it is larger than the sum of its proper divisors (18184293).

40005339 is a wasteful number, since it uses less digits than its factorization.

40005339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212297.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 40005339 is about 6324.9773912639. The cubic root of 40005339 is about 342.0104045944.

It can be divided in two parts, 4000 and 5339, that added together give a palindrome (9339).

The spelling of 40005339 in words is "forty million, five thousand, three hundred thirty-nine".