40108637184617 has 2 divisors, whose sum is σ = 40108637184618. Its totient is φ = 40108637184616.

The previous prime is 40108637184571. The next prime is 40108637184731. The reversal of 40108637184617 is 71648173680104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27745966293136 + 12362670891481 = 5267444^2 + 3516059^2 .

It is a cyclic number.

It is not a de Polignac number, because 40108637184617 - 2²² = 40108632990313 is a prime.

It is not a weakly prime, because it can be changed into another prime (40108637184817) 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, 20054318592308 + 20054318592309.

It is an arithmetic number, because the mean of its divisors is an integer number (20054318592309).

Almost surely, 2^{40108637184617} is an apocalyptic number.

It is an amenable number.

40108637184617 is a deficient number, since it is larger than the sum of its proper divisors (1).

40108637184617 is an equidigital number, since it uses as much as digits as its factorization.

40108637184617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 40108637184617 in words is "forty trillion, one hundred eight billion, six hundred thirty-seven million, one hundred eighty-four thousand, six hundred seventeen".