3242252440 has 64 divisors (see below), whose sum is σ = 8352590400. Its totient is φ = 1109580288.

The previous prime is 3242252381. The next prime is 3242252443. The reversal of 3242252440 is 442522423.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 3242252399 and 3242252408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242252443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145566 + ... + 166354.

It is an arithmetic number, because the mean of its divisors is an integer number (130509225).

Almost surely, 2^3242252440 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 3242252440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4176295200).

3242252440 is an abundant number, since it is smaller than the sum of its proper divisors (5110337960).

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

3242252440 is a wasteful number, since it uses less digits than its factorization.

3242252440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21364 (or 21360 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 3242252440 is about 56940.7801140799. The cubic root of 3242252440 is about 1480.0700660766.

Adding to 3242252440 its reverse (442522423), we get a palindrome (3684774863).

The spelling of 3242252440 in words is "three billion, two hundred forty-two million, two hundred fifty-two thousand, four hundred forty".