40131024504 has 64 divisors (see below), whose sum is σ = 102357216000. Its totient is φ = 13107851520.

The previous prime is 40131024481. The next prime is 40131024523. The reversal of 40131024504 is 40542013104.

It is a super-2 number, since 2×40131024504² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 394812 + ... + 485940.

It is an arithmetic number, because the mean of its divisors is an integer number (1599331500).

Almost surely, 2^40131024504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40131024504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51178608000).

40131024504 is an abundant number, since it is smaller than the sum of its proper divisors (62226191496).

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

40131024504 is a wasteful number, since it uses less digits than its factorization.

40131024504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91508 (or 91504 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 40131024504 its reverse (40542013104), we get a palindrome (80673037608).

The spelling of 40131024504 in words is "forty billion, one hundred thirty-one million, twenty-four thousand, five hundred four".