40040340231 has 8 divisors (see below), whose sum is σ = 53388906480. Its totient is φ = 26692667072.

The previous prime is 40040340167. The next prime is 40040340233. The reversal of 40040340231 is 13204304004.

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 40040340231 - 2⁶ = 40040340167 is a prime.

It is a super-2 number, since 2×40040340231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40040340198 and 40040340207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040340233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110526 + ... + 303803.

It is an arithmetic number, because the mean of its divisors is an integer number (6673613310).

Almost surely, 2^40040340231 is an apocalyptic number.

40040340231 is a deficient number, since it is larger than the sum of its proper divisors (13348566249).

40040340231 is a wasteful number, since it uses less digits than its factorization.

40040340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446545.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40040340231 its reverse (13204304004), we get a palindrome (53244644235).

The spelling of 40040340231 in words is "forty billion, forty million, three hundred forty thousand, two hundred thirty-one".