40254130773217 has 2 divisors, whose sum is σ = 40254130773218. Its totient is φ = 40254130773216.

The previous prime is 40254130773167. The next prime is 40254130773323. The reversal of 40254130773217 is 71237703145204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40164552677601 + 89578095616 = 6337551^2 + 299296^2 .

It is a cyclic number.

It is not a de Polignac number, because 40254130773217 - 2¹⁵ = 40254130740449 is a prime.

It is not a weakly prime, because it can be changed into another prime (40254130776217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127065386608 + 20127065386609.

It is an arithmetic number, because the mean of its divisors is an integer number (20127065386609).

Almost surely, 2^{40254130773217} is an apocalyptic number.

It is an amenable number.

40254130773217 is a deficient number, since it is larger than the sum of its proper divisors (1).

40254130773217 is an equidigital number, since it uses as much as digits as its factorization.

40254130773217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 40254130773217 in words is "forty trillion, two hundred fifty-four billion, one hundred thirty million, seven hundred seventy-three thousand, two hundred seventeen".