40122017537171 has 4 divisors (see below), whose sum is σ = 40129448922000. Its totient is φ = 40114586152344.

The previous prime is 40122017537113. The next prime is 40122017537249. The reversal of 40122017537171 is 17173571022104.

40122017537171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40122017537171 - 2¹⁰ = 40122017536147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40122017537111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3715684316 + ... + 3715695113.

It is an arithmetic number, because the mean of its divisors is an integer number (10032362230500).

Almost surely, 2^{40122017537171} is an apocalyptic number.

40122017537171 is a deficient number, since it is larger than the sum of its proper divisors (7431384829).

40122017537171 is an equidigital number, since it uses as much as digits as its factorization.

40122017537171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431384828.

The product of its (nonzero) digits is 82320, while the sum is 41.

Adding to 40122017537171 its reverse (17173571022104), we get a palindrome (57295588559275).

The spelling of 40122017537171 in words is "forty trillion, one hundred twenty-two billion, seventeen million, five hundred thirty-seven thousand, one hundred seventy-one".