40036206013 has 2 divisors, whose sum is σ = 40036206014. Its totient is φ = 40036206012.

The previous prime is 40036205999. The next prime is 40036206019. The reversal of 40036206013 is 31060263004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30520788804 + 9515417209 = 174702^2 + 97547^2 .

It is a cyclic number.

It is not a de Polignac number, because 40036206013 - 2²⁵ = 40002651581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40036206019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20018103006 + 20018103007.

It is an arithmetic number, because the mean of its divisors is an integer number (20018103007).

Almost surely, 2^40036206013 is an apocalyptic number.

It is an amenable number.

40036206013 is a deficient number, since it is larger than the sum of its proper divisors (1).

40036206013 is an equidigital number, since it uses as much as digits as its factorization.

40036206013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 40036206013 its reverse (31060263004), we get a palindrome (71096469017).

The spelling of 40036206013 in words is "forty billion, thirty-six million, two hundred six thousand, thirteen".