40131200032173 has 12 divisors (see below), whose sum is σ = 58314398452128. Its totient is φ = 26593928962440.

The previous prime is 40131200032163. The next prime is 40131200032181. The reversal of 40131200032173 is 37123000213104.

It is a happy number.

40131200032173 is a `hidden beast` number, since 4 + 0 + 131 + 200 + 0 + 321 + 7 + 3 = 666.

It is not a de Polignac number, because 40131200032173 - 2⁶ = 40131200032109 is a prime.

It is a super-2 number, since 2×40131200032173² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131200032163) 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, 13350364443 + ... + 13350367448.

It is an arithmetic number, because the mean of its divisors is an integer number (4859533204344).

Almost surely, 2^{40131200032173} is an apocalyptic number.

It is an amenable number.

40131200032173 is a deficient number, since it is larger than the sum of its proper divisors (18183198419955).

40131200032173 is a wasteful number, since it uses less digits than its factorization.

40131200032173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26700732064 (or 26700732061 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

Adding to 40131200032173 its reverse (37123000213104), we get a palindrome (77254200245277).

The spelling of 40131200032173 in words is "forty trillion, one hundred thirty-one billion, two hundred million, thirty-two thousand, one hundred seventy-three".