40221126171 has 12 divisors (see below), whose sum is σ = 58108691472. Its totient is φ = 26808772176.

The previous prime is 40221126167. The next prime is 40221126193. The reversal of 40221126171 is 17162112204.

40221126171 is a `hidden beast` number, since 40 + 2 + 2 + 1 + 1 + 2 + 617 + 1 = 666.

It is not a de Polignac number, because 40221126171 - 2² = 40221126167 is a prime.

It is a super-2 number, since 2×40221126171² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40221106171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394431 + ... + 485816.

It is an arithmetic number, because the mean of its divisors is an integer number (4842390956).

Almost surely, 2^40221126171 is an apocalyptic number.

40221126171 is a deficient number, since it is larger than the sum of its proper divisors (17887565301).

40221126171 is a wasteful number, since it uses less digits than its factorization.

40221126171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885330 (or 885327 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 40221126171 its reverse (17162112204), we get a palindrome (57383238375).

The spelling of 40221126171 in words is "forty billion, two hundred twenty-one million, one hundred twenty-six thousand, one hundred seventy-one".