40131754823173 has 8 divisors (see below), whose sum is σ = 43218881605368. Its totient is φ = 37044637857984.

The previous prime is 40131754823131. The next prime is 40131754823189. The reversal of 40131754823173 is 37132845713104.

It can be written as a sum of positive squares in 4 ways, for example, as 5135041519969 + 34996713303204 = 2266063^2 + 5915802^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40131754823173 - 2⁹ = 40131754822661 is a prime.

It is a super-2 number, since 2×40131754823173² (a number of 28 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 (40131754823273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7545111 + ... + 11712907.

It is an arithmetic number, because the mean of its divisors is an integer number (5402360200671).

Almost surely, 2^{40131754823173} is an apocalyptic number.

It is an amenable number.

40131754823173 is a deficient number, since it is larger than the sum of its proper divisors (3087126782195).

40131754823173 is a wasteful number, since it uses less digits than its factorization.

40131754823173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908503.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 40131754823173 in words is "forty trillion, one hundred thirty-one billion, seven hundred fifty-four million, eight hundred twenty-three thousand, one hundred seventy-three".