3340440413 has 2 divisors, whose sum is σ = 3340440414. Its totient is φ = 3340440412.

The previous prime is 3340440409. The next prime is 3340440451. The reversal of 3340440413 is 3140440433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2634050329 + 706390084 = 51323^2 + 26578^2 .

It is a cyclic number.

It is not a de Polignac number, because 3340440413 - 2² = 3340440409 is a prime.

It is a super-3 number, since 3×3340440413³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3340440463) 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 as a sum of consecutive naturals, namely, 1670220206 + 1670220207.

It is an arithmetic number, because the mean of its divisors is an integer number (1670220207).

Almost surely, 2^3340440413 is an apocalyptic number.

It is an amenable number.

3340440413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340440413 is an equidigital number, since it uses as much as digits as its factorization.

3340440413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 3340440413 is about 57796.5432616865. The cubic root of 3340440413 is about 1494.8624852354.

Adding to 3340440413 its reverse (3140440433), we get a palindrome (6480880846).

The spelling of 3340440413 in words is "three billion, three hundred forty million, four hundred forty thousand, four hundred thirteen".