40074450171 has 32 divisors (see below), whose sum is σ = 62372467200. Its totient is φ = 22413093120.

The previous prime is 40074450167. The next prime is 40074450181. The reversal of 40074450171 is 17105447004.

It is not a de Polignac number, because 40074450171 - 2² = 40074450167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40074450161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213111 + ... + 354351.

It is an arithmetic number, because the mean of its divisors is an integer number (1949139600).

Almost surely, 2^40074450171 is an apocalyptic number.

40074450171 is a deficient number, since it is larger than the sum of its proper divisors (22298017029).

40074450171 is a wasteful number, since it uses less digits than its factorization.

40074450171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141539.

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 40074450171 its reverse (17105447004), we get a palindrome (57179897175).

The spelling of 40074450171 in words is "forty billion, seventy-four million, four hundred fifty thousand, one hundred seventy-one".