3240040343 has 2 divisors, whose sum is σ = 3240040344. Its totient is φ = 3240040342.

The previous prime is 3240040333. The next prime is 3240040393. The reversal of 3240040343 is 3430400423.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3240040343 - 2¹⁶ = 3239974807 is a prime.

It is a super-2 number, since 2×3240040343² = 20995722848535115298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240040333) 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, 1620020171 + 1620020172.

It is an arithmetic number, because the mean of its divisors is an integer number (1620020172).

Almost surely, 2^3240040343 is an apocalyptic number.

3240040343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240040343 is an equidigital number, since it uses as much as digits as its factorization.

3240040343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 3240040343 is about 56921.3522590600. The cubic root of 3240040343 is about 1479.7333862020.

Adding to 3240040343 its reverse (3430400423), we get a palindrome (6670440766).

The spelling of 3240040343 in words is "three billion, two hundred forty million, forty thousand, three hundred forty-three".