40147168837 has 2 divisors, whose sum is σ = 40147168838. Its totient is φ = 40147168836.

The previous prime is 40147168813. The next prime is 40147168877. The reversal of 40147168837 is 73886174104.

40147168837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27114891556 + 13032277281 = 164666^2 + 114159^2 .

It is a cyclic number.

It is not a de Polignac number, because 40147168837 - 2¹⁵ = 40147136069 is a prime.

It is a super-2 number, since 2×40147168837² (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 (40147168877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20073584418 + 20073584419.

It is an arithmetic number, because the mean of its divisors is an integer number (20073584419).

Almost surely, 2^40147168837 is an apocalyptic number.

It is an amenable number.

40147168837 is a deficient number, since it is larger than the sum of its proper divisors (1).

40147168837 is an equidigital number, since it uses as much as digits as its factorization.

40147168837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 40147168837 in words is "forty billion, one hundred forty-seven million, one hundred sixty-eight thousand, eight hundred thirty-seven".