40108585159631 has 2 divisors, whose sum is σ = 40108585159632. Its totient is φ = 40108585159630.

The previous prime is 40108585159609. The next prime is 40108585159649. The reversal of 40108585159631 is 13695158580104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40108585159631 - 2¹⁸ = 40108584897487 is a prime.

It is a super-2 number, since 2×40108585159631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40108585159231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20054292579815 + 20054292579816.

It is an arithmetic number, because the mean of its divisors is an integer number (20054292579816).

Almost surely, 2^{40108585159631} is an apocalyptic number.

40108585159631 is a deficient number, since it is larger than the sum of its proper divisors (1).

40108585159631 is an equidigital number, since it uses as much as digits as its factorization.

40108585159631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184000, while the sum is 56.

The spelling of 40108585159631 in words is "forty trillion, one hundred eight billion, five hundred eighty-five million, one hundred fifty-nine thousand, six hundred thirty-one".