40171045117 has 8 divisors (see below), whose sum is σ = 47905842816. Its totient is φ = 32935266672.

The previous prime is 40171045049. The next prime is 40171045121. The reversal of 40171045117 is 71154017104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40171045117 is a prime.

It is a super-2 number, since 2×40171045117² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40171045157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124754638 + ... + 124754959.

It is an arithmetic number, because the mean of its divisors is an integer number (5988230352).

Almost surely, 2^40171045117 is an apocalyptic number.

It is an amenable number.

40171045117 is a deficient number, since it is larger than the sum of its proper divisors (7734797699).

40171045117 is a wasteful number, since it uses less digits than its factorization.

40171045117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249509627.

The product of its (nonzero) digits is 3920, while the sum is 31.

The spelling of 40171045117 in words is "forty billion, one hundred seventy-one million, forty-five thousand, one hundred seventeen".