40108616017823 has 4 divisors (see below), whose sum is σ = 40108934463648. Its totient is φ = 40108297572000.

The previous prime is 40108616017807. The next prime is 40108616017973. The reversal of 40108616017823 is 32871061680104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40108616017823 - 2⁴ = 40108616017807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40108616016823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159033911 + ... + 159285912.

It is an arithmetic number, because the mean of its divisors is an integer number (10027233615912).

Almost surely, 2^{40108616017823} is an apocalyptic number.

40108616017823 is a deficient number, since it is larger than the sum of its proper divisors (318445825).

40108616017823 is a wasteful number, since it uses less digits than its factorization.

40108616017823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318445824.

The product of its (nonzero) digits is 387072, while the sum is 47.

Adding to 40108616017823 its reverse (32871061680104), we get a palindrome (72979677697927).

The spelling of 40108616017823 in words is "forty trillion, one hundred eight billion, six hundred sixteen million, seventeen thousand, eight hundred twenty-three".