40555140413 has 2 divisors, whose sum is σ = 40555140414. Its totient is φ = 40555140412.

The previous prime is 40555140397. The next prime is 40555140419. The reversal of 40555140413 is 31404155504.

40555140413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22416976729 + 18138163684 = 149723^2 + 134678^2 .

It is a cyclic number.

It is not a de Polignac number, because 40555140413 - 2⁴ = 40555140397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40555140413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40555140419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20277570206 + 20277570207.

It is an arithmetic number, because the mean of its divisors is an integer number (20277570207).

Almost surely, 2^40555140413 is an apocalyptic number.

It is an amenable number.

40555140413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40555140413 is an equidigital number, since it uses as much as digits as its factorization.

40555140413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 40555140413 its reverse (31404155504), we get a palindrome (71959295917).

The spelling of 40555140413 in words is "forty billion, five hundred fifty-five million, one hundred forty thousand, four hundred thirteen".