3252140440 has 16 divisors (see below), whose sum is σ = 7317316080. Its totient is φ = 1300856160.

The previous prime is 3252140431. The next prime is 3252140447. The reversal of 3252140440 is 440412523.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3252140447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40651716 + ... + 40651795.

It is an arithmetic number, because the mean of its divisors is an integer number (457332255).

Almost surely, 2^3252140440 is an apocalyptic number.

It is an amenable number.

3252140440 is an abundant number, since it is smaller than the sum of its proper divisors (4065175640).

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

3252140440 is a wasteful number, since it uses less digits than its factorization.

3252140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81303522 (or 81303518 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 3252140440 is about 57027.5410656991. The cubic root of 3252140440 is about 1481.5731446411.

Adding to 3252140440 its reverse (440412523), we get a palindrome (3692552963).

The spelling of 3252140440 in words is "three billion, two hundred fifty-two million, one hundred forty thousand, four hundred forty".