40744463117 has 2 divisors, whose sum is σ = 40744463118. Its totient is φ = 40744463116.

The previous prime is 40744463059. The next prime is 40744463141. The reversal of 40744463117 is 71136444704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22414281796 + 18330181321 = 149714^2 + 135389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40744463117 is a prime.

It is a super-2 number, since 2×40744463117² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40744463197) 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, 20372231558 + 20372231559.

It is an arithmetic number, because the mean of its divisors is an integer number (20372231559).

Almost surely, 2^40744463117 is an apocalyptic number.

It is an amenable number.

40744463117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40744463117 is an equidigital number, since it uses as much as digits as its factorization.

40744463117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 40744463117 in words is "forty billion, seven hundred forty-four million, four hundred sixty-three thousand, one hundred seventeen".