40108323663 has 8 divisors (see below), whose sum is σ = 59419738800. Its totient is φ = 26738882424.

The previous prime is 40108323583. The next prime is 40108323707. The reversal of 40108323663 is 36632380104.

It is not a de Polignac number, because 40108323663 - 2²⁴ = 40091546447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40108323863) 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 in 7 ways as a sum of consecutive naturals, for example, 742746708 + ... + 742746761.

It is an arithmetic number, because the mean of its divisors is an integer number (7427467350).

Almost surely, 2^40108323663 is an apocalyptic number.

40108323663 is a deficient number, since it is larger than the sum of its proper divisors (19311415137).

40108323663 is a wasteful number, since it uses less digits than its factorization.

40108323663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485493478 (or 1485493472 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 40108323663 in words is "forty billion, one hundred eight million, three hundred twenty-three thousand, six hundred sixty-three".