40131734106443 has 16 divisors (see below), whose sum is σ = 45980520837120. Its totient is φ = 34311921579936.

The previous prime is 40131734106427. The next prime is 40131734106509. The reversal of 40131734106443 is 34460143713104.

It is not a de Polignac number, because 40131734106443 - 2⁴ = 40131734106427 is a prime.

It is a super-2 number, since 2×40131734106443² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40131734106443.

It is not an unprimeable number, because it can be changed into a prime (40131734106643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6730313 + ... + 11205381.

It is an arithmetic number, because the mean of its divisors is an integer number (2873782552320).

Almost surely, 2^{40131734106443} is an apocalyptic number.

40131734106443 is a deficient number, since it is larger than the sum of its proper divisors (5848786730677).

40131734106443 is a wasteful number, since it uses less digits than its factorization.

40131734106443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478306.

The product of its (nonzero) digits is 290304, while the sum is 41.

Adding to 40131734106443 its reverse (34460143713104), we get a palindrome (74591877819547).

The spelling of 40131734106443 in words is "forty trillion, one hundred thirty-one billion, seven hundred thirty-four million, one hundred six thousand, four hundred forty-three".