40010143215671 has 2 divisors, whose sum is σ = 40010143215672. Its totient is φ = 40010143215670.

The previous prime is 40010143215659. The next prime is 40010143215817. The reversal of 40010143215671 is 17651234101004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40010143215671 - 2²⁶ = 40010076106807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40010143215071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005071607835 + 20005071607836.

It is an arithmetic number, because the mean of its divisors is an integer number (20005071607836).

Almost surely, 2^{40010143215671} is an apocalyptic number.

40010143215671 is a deficient number, since it is larger than the sum of its proper divisors (1).

40010143215671 is an equidigital number, since it uses as much as digits as its factorization.

40010143215671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 40010143215671 its reverse (17651234101004), we get a palindrome (57661377316675).

The spelling of 40010143215671 in words is "forty trillion, ten billion, one hundred forty-three million, two hundred fifteen thousand, six hundred seventy-one".