40082369 has 4 divisors (see below), whose sum is σ = 40134996. Its totient is φ = 40029744.

The previous prime is 40082351. The next prime is 40082389. The reversal of 40082369 is 96328004.

40082369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21977344 + 18105025 = 4688^2 + 4255^2 .

It is a cyclic number.

It is not a de Polignac number, because 40082369 - 2⁸ = 40082113 is a prime.

It is a super-2 number, since 2×40082369² = 3213192609304322, which contains 22 as substring.

It is a Duffinian 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25154 + ... + 26699.

It is an arithmetic number, because the mean of its divisors is an integer number (10033749).

Almost surely, 2^40082369 is an apocalyptic number.

It is an amenable number.

40082369 is a deficient number, since it is larger than the sum of its proper divisors (52627).

40082369 is an equidigital number, since it uses as much as digits as its factorization.

40082369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52626.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40082369 is about 6331.0638126621. The cubic root of 40082369 is about 342.2297767341.

It can be divided in two parts, 400 and 82369, that multiplied together give a square (32947600 = 5740²).

The spelling of 40082369 in words is "forty million, eighty-two thousand, three hundred sixty-nine".