40140784141069 has 2 divisors, whose sum is σ = 40140784141070. Its totient is φ = 40140784141068.

The previous prime is 40140784141067. The next prime is 40140784141111. The reversal of 40140784141069 is 96014148704104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30236306550025 + 9904477591044 = 5498755^2 + 3147138^2 .

It is a cyclic number.

It is not a de Polignac number, because 40140784141069 - 2¹ = 40140784141067 is a prime.

It is a super-2 number, since 2×40140784141069² (a number of 28 digits) contains 22 as substring.

Together with 40140784141067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40140784141067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20070392070534 + 20070392070535.

It is an arithmetic number, because the mean of its divisors is an integer number (20070392070535).

Almost surely, 2^{40140784141069} is an apocalyptic number.

It is an amenable number.

40140784141069 is a deficient number, since it is larger than the sum of its proper divisors (1).

40140784141069 is an equidigital number, since it uses as much as digits as its factorization.

40140784141069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 40140784141069 in words is "forty trillion, one hundred forty billion, seven hundred eighty-four million, one hundred forty-one thousand, sixty-nine".