40064042413 has 2 divisors, whose sum is σ = 40064042414. Its totient is φ = 40064042412.

The previous prime is 40064042411. The next prime is 40064042423. The reversal of 40064042413 is 31424046004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21855778569 + 18208263844 = 147837^2 + 134938^2 .

It is a cyclic number.

It is not a de Polignac number, because 40064042413 - 2¹ = 40064042411 is a prime.

Together with 40064042411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40064042411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20032021206 + 20032021207.

It is an arithmetic number, because the mean of its divisors is an integer number (20032021207).

Almost surely, 2^40064042413 is an apocalyptic number.

It is an amenable number.

40064042413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40064042413 is an equidigital number, since it uses as much as digits as its factorization.

40064042413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40064042413 its reverse (31424046004), we get a palindrome (71488088417).

The spelling of 40064042413 in words is "forty billion, sixty-four million, forty-two thousand, four hundred thirteen".