40157945167 has 2 divisors, whose sum is σ = 40157945168. Its totient is φ = 40157945166.

The previous prime is 40157945161. The next prime is 40157945171. The reversal of 40157945167 is 76154975104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40157945167 - 2²⁷ = 40023727439 is a prime.

It is a super-2 number, since 2×40157945167² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40157945167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40157945161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20078972583 + 20078972584.

It is an arithmetic number, because the mean of its divisors is an integer number (20078972584).

Almost surely, 2^40157945167 is an apocalyptic number.

40157945167 is a deficient number, since it is larger than the sum of its proper divisors (1).

40157945167 is an equidigital number, since it uses as much as digits as its factorization.

40157945167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 40157945167 in words is "forty billion, one hundred fifty-seven million, nine hundred forty-five thousand, one hundred sixty-seven".