40040011113469 has 2 divisors, whose sum is σ = 40040011113470. Its totient is φ = 40040011113468.

The previous prime is 40040011113439. The next prime is 40040011113503. The reversal of 40040011113469 is 96431111004004.

It is an a-pointer prime, because the next prime (40040011113503) can be obtained adding 40040011113469 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38428220902500 + 1611790210969 = 6199050^2 + 1269563^2 .

It is a cyclic number.

It is not a de Polignac number, because 40040011113469 - 2⁵ = 40040011113437 is a prime.

It is a super-2 number, since 2×40040011113469² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40040011113439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020005556734 + 20020005556735.

It is an arithmetic number, because the mean of its divisors is an integer number (20020005556735).

Almost surely, 2^{40040011113469} is an apocalyptic number.

It is an amenable number.

40040011113469 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040011113469 is an equidigital number, since it uses as much as digits as its factorization.

40040011113469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 40040011113469 in words is "forty trillion, forty billion, eleven million, one hundred thirteen thousand, four hundred sixty-nine".