40518078863 has 2 divisors, whose sum is σ = 40518078864. Its totient is φ = 40518078862.

The previous prime is 40518078793. The next prime is 40518078889. The reversal of 40518078863 is 36887081504.

40518078863 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 is a cyclic number.

It is not a de Polignac number, because 40518078863 - 2²⁸ = 40249643407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40518078163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20259039431 + 20259039432.

It is an arithmetic number, because the mean of its divisors is an integer number (20259039432).

Almost surely, 2^40518078863 is an apocalyptic number.

40518078863 is a deficient number, since it is larger than the sum of its proper divisors (1).

40518078863 is an equidigital number, since it uses as much as digits as its factorization.

40518078863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 40518078863 in words is "forty billion, five hundred eighteen million, seventy-eight thousand, eight hundred sixty-three".