3242402440 has 64 divisors (see below), whose sum is σ = 7787664000. Its totient is φ = 1211374080.

The previous prime is 3242402431. The next prime is 3242402441. The reversal of 3242402440 is 442042423.

It is not an unprimeable number, because it can be changed into a prime (3242402441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23916 + ... + 84004.

It is an arithmetic number, because the mean of its divisors is an integer number (121682250).

Almost surely, 2^3242402440 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 3242402440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3893832000).

3242402440 is an abundant number, since it is smaller than the sum of its proper divisors (4545261560).

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

3242402440 is a wasteful number, since it uses less digits than its factorization.

3242402440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60190 (or 60186 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 3242402440 is about 56942.0972567748. The cubic root of 3242402440 is about 1480.0928904444.

Adding to 3242402440 its reverse (442042423), we get a palindrome (3684444863).

The spelling of 3242402440 in words is "three billion, two hundred forty-two million, four hundred two thousand, four hundred forty".