40434301445309 has 2 divisors, whose sum is σ = 40434301445310. Its totient is φ = 40434301445308.

The previous prime is 40434301445177. The next prime is 40434301445333. The reversal of 40434301445309 is 90354410343404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26073309077209 + 14360992368100 = 5106203^2 + 3789590^2 .

It is a cyclic number.

It is not a de Polignac number, because 40434301445309 - 2²⁴ = 40434284668093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40434301445309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40434301445399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20217150722654 + 20217150722655.

It is an arithmetic number, because the mean of its divisors is an integer number (20217150722655).

Almost surely, 2^{40434301445309} is an apocalyptic number.

It is an amenable number.

40434301445309 is a deficient number, since it is larger than the sum of its proper divisors (1).

40434301445309 is an equidigital number, since it uses as much as digits as its factorization.

40434301445309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 40434301445309 in words is "forty trillion, four hundred thirty-four billion, three hundred one million, four hundred forty-five thousand, three hundred nine".