40131542430 has 144 divisors (see below), whose sum is σ = 121470233040. Its totient is φ = 9165913344.

The previous prime is 40131542401. The next prime is 40131542447. The reversal of 40131542430 is 3424513104.

It is a happy number.

40131542430 is a `hidden beast` number, since 401 + 3 + 15 + 4 + 243 + 0 = 666.

40131542430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40131542430² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40131542394 and 40131542403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7701666 + ... + 7706874.

It is an arithmetic number, because the mean of its divisors is an integer number (843543285).

Almost surely, 2^40131542430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40131542430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60735116520).

40131542430 is an abundant number, since it is smaller than the sum of its proper divisors (81338690610).

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

40131542430 is a wasteful number, since it uses less digits than its factorization.

40131542430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6983 (or 6973 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 40131542430 in words is "forty billion, one hundred thirty-one million, five hundred forty-two thousand, four hundred thirty".