40166042542033 has 2 divisors, whose sum is σ = 40166042542034. Its totient is φ = 40166042542032.

The previous prime is 40166042542009. The next prime is 40166042542063. The reversal of 40166042542033 is 33024524066104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33673091333904 + 6492951208129 = 5802852^2 + 2548127^2 .

It is a cyclic number.

It is not a de Polignac number, because 40166042542033 - 2¹⁷ = 40166042410961 is a prime.

It is a super-2 number, since 2×40166042542033² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40166042542063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20083021271016 + 20083021271017.

It is an arithmetic number, because the mean of its divisors is an integer number (20083021271017).

Almost surely, 2^{40166042542033} is an apocalyptic number.

It is an amenable number.

40166042542033 is a deficient number, since it is larger than the sum of its proper divisors (1).

40166042542033 is an equidigital number, since it uses as much as digits as its factorization.

40166042542033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 40166042542033 in words is "forty trillion, one hundred sixty-six billion, forty-two million, five hundred forty-two thousand, thirty-three".