40111495849 has 2 divisors, whose sum is σ = 40111495850. Its totient is φ = 40111495848.

The previous prime is 40111495829. The next prime is 40111495861. The reversal of 40111495849 is 94859411104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22271085225 + 17840410624 = 149235^2 + 133568^2 .

It is a cyclic number.

It is not a de Polignac number, because 40111495849 - 2³⁵ = 5751757481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40111495799 and 40111495808.

It is not a weakly prime, because it can be changed into another prime (40111495829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20055747924 + 20055747925.

It is an arithmetic number, because the mean of its divisors is an integer number (20055747925).

Almost surely, 2^40111495849 is an apocalyptic number.

It is an amenable number.

40111495849 is a deficient number, since it is larger than the sum of its proper divisors (1).

40111495849 is an equidigital number, since it uses as much as digits as its factorization.

40111495849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 40111495849 in words is "forty billion, one hundred eleven million, four hundred ninety-five thousand, eight hundred forty-nine".