40143240167 has 2 divisors, whose sum is σ = 40143240168. Its totient is φ = 40143240166.

The previous prime is 40143240149. The next prime is 40143240191. The reversal of 40143240167 is 76104234104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40143240167 is a prime.

It is a super-2 number, since 2×40143240167² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40143240107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20071620083 + 20071620084.

It is an arithmetic number, because the mean of its divisors is an integer number (20071620084).

Almost surely, 2^40143240167 is an apocalyptic number.

40143240167 is a deficient number, since it is larger than the sum of its proper divisors (1).

40143240167 is an equidigital number, since it uses as much as digits as its factorization.

40143240167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 40143240167 in words is "forty billion, one hundred forty-three million, two hundred forty thousand, one hundred sixty-seven".