40136616571 has 2 divisors, whose sum is σ = 40136616572. Its totient is φ = 40136616570.

The previous prime is 40136616563. The next prime is 40136616613. The reversal of 40136616571 is 17561663104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40136616571 - 2³ = 40136616563 is a prime.

It is a super-2 number, since 2×40136616571² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40136616271) 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, 20068308285 + 20068308286.

It is an arithmetic number, because the mean of its divisors is an integer number (20068308286).

Almost surely, 2^40136616571 is an apocalyptic number.

40136616571 is a deficient number, since it is larger than the sum of its proper divisors (1).

40136616571 is an equidigital number, since it uses as much as digits as its factorization.

40136616571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 40136616571 in words is "forty billion, one hundred thirty-six million, six hundred sixteen thousand, five hundred seventy-one".