40117694170381 has 2 divisors, whose sum is σ = 40117694170382. Its totient is φ = 40117694170380.

The previous prime is 40117694170361. The next prime is 40117694170403. The reversal of 40117694170381 is 18307149671104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29405230630281 + 10712463540100 = 5422659^2 + 3272990^2 .

It is a cyclic number.

It is not a de Polignac number, because 40117694170381 - 2²³ = 40117685781773 is a prime.

It is a super-2 number, since 2×40117694170381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40117694170361) 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, 20058847085190 + 20058847085191.

It is an arithmetic number, because the mean of its divisors is an integer number (20058847085191).

Almost surely, 2^{40117694170381} is an apocalyptic number.

It is an amenable number.

40117694170381 is a deficient number, since it is larger than the sum of its proper divisors (1).

40117694170381 is an equidigital number, since it uses as much as digits as its factorization.

40117694170381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 40117694170381 in words is "forty trillion, one hundred seventeen billion, six hundred ninety-four million, one hundred seventy thousand, three hundred eighty-one".