40166330234273 has 2 divisors, whose sum is σ = 40166330234274. Its totient is φ = 40166330234272.

The previous prime is 40166330234099. The next prime is 40166330234279. The reversal of 40166330234273 is 37243203366104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29416174574224 + 10750155660049 = 5423668^2 + 3278743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40166330234273 is a prime.

It is a super-2 number, since 2×40166330234273² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40166330234279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20083165117136 + 20083165117137.

It is an arithmetic number, because the mean of its divisors is an integer number (20083165117137).

Almost surely, 2^{40166330234273} is an apocalyptic number.

It is an amenable number.

40166330234273 is a deficient number, since it is larger than the sum of its proper divisors (1).

40166330234273 is an equidigital number, since it uses as much as digits as its factorization.

40166330234273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 44.

The spelling of 40166330234273 in words is "forty trillion, one hundred sixty-six billion, three hundred thirty million, two hundred thirty-four thousand, two hundred seventy-three".