40010143215817 has 2 divisors, whose sum is σ = 40010143215818. Its totient is φ = 40010143215816.

The previous prime is 40010143215671. The next prime is 40010143215827. The reversal of 40010143215817 is 71851234101004.

40010143215817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37798346657296 + 2211796558521 = 6148036^2 + 1487211^2 .

It is a cyclic number.

It is not a de Polignac number, because 40010143215817 - 2¹⁹ = 40010142691529 is a prime.

It is a super-3 number, since 3×40010143215817³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (40010143215827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005071607908 + 20005071607909.

It is an arithmetic number, because the mean of its divisors is an integer number (20005071607909).

Almost surely, 2^{40010143215817} is an apocalyptic number.

It is an amenable number.

40010143215817 is a deficient number, since it is larger than the sum of its proper divisors (1).

40010143215817 is an equidigital number, since it uses as much as digits as its factorization.

40010143215817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 40010143215817 in words is "forty trillion, ten billion, one hundred forty-three million, two hundred fifteen thousand, eight hundred seventeen".