40131123324 has 24 divisors (see below), whose sum is σ = 93917158608. Its totient is φ = 13337345280.

The previous prime is 40131123323. The next prime is 40131123349. The reversal of 40131123324 is 42332113104.

It is a happy number.

It is a super-3 number, since 3×40131123324³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 40131123294 and 40131123303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131123323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4957767 + ... + 4965854.

It is an arithmetic number, because the mean of its divisors is an integer number (3913214942).

Almost surely, 2^40131123324 is an apocalyptic number.

It is an amenable number.

40131123324 is an abundant number, since it is smaller than the sum of its proper divisors (53786035284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40131123324 is a wasteful number, since it uses less digits than its factorization.

40131123324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923965 (or 9923963 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 40131123324 its reverse (42332113104), we get a palindrome (82463236428).

The spelling of 40131123324 in words is "forty billion, one hundred thirty-one million, one hundred twenty-three thousand, three hundred twenty-four".