40124235131 has 8 divisors (see below), whose sum is σ = 42412761600. Its totient is φ = 37853381160.

The previous prime is 40124235059. The next prime is 40124235139. The reversal of 40124235131 is 13153242104.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40124235131 is a prime.

It is a super-2 number, since 2×40124235131² (a number of 22 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 40124235131.

It is not an unprimeable number, because it can be changed into a prime (40124235139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4413455 + ... + 4422536.

It is an arithmetic number, because the mean of its divisors is an integer number (5301595200).

Almost surely, 2^40124235131 is an apocalyptic number.

40124235131 is a deficient number, since it is larger than the sum of its proper divisors (2288526469).

40124235131 is a wasteful number, since it uses less digits than its factorization.

40124235131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836249.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 40124235131 its reverse (13153242104), we get a palindrome (53277477235).

The spelling of 40124235131 in words is "forty billion, one hundred twenty-four million, two hundred thirty-five thousand, one hundred thirty-one".