3172825240 has 128 divisors (see below), whose sum is σ = 7919493120. Its totient is φ = 1136678400.

The previous prime is 3172825213. The next prime is 3172825247. The reversal of 3172825240 is 425282713.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3172825196 and 3172825205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172825247) 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 31 ways as a sum of consecutive naturals, for example, 3201145 + ... + 3202135.

It is an arithmetic number, because the mean of its divisors is an integer number (61871040).

Almost surely, 2^3172825240 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 3172825240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3959746560).

3172825240 is an abundant number, since it is smaller than the sum of its proper divisors (4746667880).

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

3172825240 is a wasteful number, since it uses less digits than its factorization.

3172825240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 3172825240 is about 56327.8371677806. The cubic root of 3172825240 is about 1469.4293742158.

The spelling of 3172825240 in words is "three billion, one hundred seventy-two million, eight hundred twenty-five thousand, two hundred forty".