40340462413 has 2 divisors, whose sum is σ = 40340462414. Its totient is φ = 40340462412.

The previous prime is 40340462399. The next prime is 40340462501. The reversal of 40340462413 is 31426404304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26739771529 + 13600690884 = 163523^2 + 116622^2 .

It is a cyclic number.

It is not a de Polignac number, because 40340462413 - 2⁹ = 40340461901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40346462413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20170231206 + 20170231207.

It is an arithmetic number, because the mean of its divisors is an integer number (20170231207).

Almost surely, 2^40340462413 is an apocalyptic number.

It is an amenable number.

40340462413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40340462413 is an equidigital number, since it uses as much as digits as its factorization.

40340462413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 40340462413 its reverse (31426404304), we get a palindrome (71766866717).

The spelling of 40340462413 in words is "forty billion, three hundred forty million, four hundred sixty-two thousand, four hundred thirteen".