40131243415 has 16 divisors (see below), whose sum is σ = 49412696256. Its totient is φ = 31270752000.

The previous prime is 40131243403. The next prime is 40131243419. The reversal of 40131243415 is 51434213104.

It is not a de Polignac number, because 40131243415 - 2⁹ = 40131242903 is a prime.

It is a super-2 number, since 2×40131243415² (a number of 22 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 (40131243419) 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, 34011 + ... + 285340.

It is an arithmetic number, because the mean of its divisors is an integer number (3088293516).

Almost surely, 2^40131243415 is an apocalyptic number.

40131243415 is a deficient number, since it is larger than the sum of its proper divisors (9281452841).

40131243415 is a wasteful number, since it uses less digits than its factorization.

40131243415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320010.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 40131243415 its reverse (51434213104), we get a palindrome (91565456519).

The spelling of 40131243415 in words is "forty billion, one hundred thirty-one million, two hundred forty-three thousand, four hundred fifteen".