32240443240 has 32 divisors (see below), whose sum is σ = 72601910280. Its totient is φ = 12885348352.

The previous prime is 32240443217. The next prime is 32240443309. The reversal of 32240443240 is 4234404223.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27348559876 + 4891883364 = 165374^2 + 69942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32240443199 and 32240443208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290089 + ... + 385528.

Almost surely, 2^32240443240 is an apocalyptic number.

It is an amenable number.

32240443240 is an abundant number, since it is smaller than the sum of its proper divisors (40361467040).

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

32240443240 is a wasteful number, since it uses less digits than its factorization.

32240443240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676821 (or 676817 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 32240443240 its reverse (4234404223), we get a palindrome (36474847463).

The spelling of 32240443240 in words is "thirty-two billion, two hundred forty million, four hundred forty-three thousand, two hundred forty".