3231442240 has 84 divisors (see below), whose sum is σ = 8332456284. Its totient is φ = 1193127936.

The previous prime is 3231442223. The next prime is 3231442259. The reversal of 3231442240 is 422441323.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 465523776 + 2765918464 = 21576^2 + 52592^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24204 + ... + 83956.

Almost surely, 2^3231442240 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 3231442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4166228142).

3231442240 is an abundant number, since it is smaller than the sum of its proper divisors (5101014044).

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

3231442240 is a wasteful number, since it uses less digits than its factorization.

3231442240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59796 (or 59773 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 3231442240 is about 56845.7759204675. The cubic root of 3231442240 is about 1478.4233026224.

Adding to 3231442240 its reverse (422441323), we get a palindrome (3653883563).

The spelling of 3231442240 in words is "three billion, two hundred thirty-one million, four hundred forty-two thousand, two hundred forty".