32131120214440 has 64 divisors (see below), whose sum is σ = 77874820425360. Its totient is φ = 11860957163520.

The previous prime is 32131120214339. The next prime is 32131120214489. The reversal of 32131120214440 is 4441202113123.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7419424195044 + 24711696019396 = 2723862^2 + 4971086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32131120214399 and 32131120214408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5224491 + ... + 9568570.

Almost surely, 2^{32131120214440} is an apocalyptic number.

It is an amenable number.

32131120214440 is an abundant number, since it is smaller than the sum of its proper divisors (45743700210920).

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

32131120214440 is a wasteful number, since it uses less digits than its factorization.

32131120214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797262 (or 14797258 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 32131120214440 its reverse (4441202113123), we get a palindrome (36572322327563).

The spelling of 32131120214440 in words is "thirty-two trillion, one hundred thirty-one billion, one hundred twenty million, two hundred fourteen thousand, four hundred forty".