40082399 has 16 divisors (see below), whose sum is σ = 48826368. Its totient is φ = 32157312.

The previous prime is 40082389. The next prime is 40082423. The reversal of 40082399 is 99328004.

It is not a de Polignac number, because 40082399 - 2¹⁶ = 40016863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40082389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4919 + ... + 10215.

It is an arithmetic number, because the mean of its divisors is an integer number (3051648).

Almost surely, 2^40082399 is an apocalyptic number.

40082399 is a deficient number, since it is larger than the sum of its proper divisors (8743969).

40082399 is a wasteful number, since it uses less digits than its factorization.

40082399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 40082399 is about 6331.0661819318. The cubic root of 40082399 is about 342.2298621157.

The spelling of 40082399 in words is "forty million, eighty-two thousand, three hundred ninety-nine".