3254544640 has 72 divisors (see below), whose sum is σ = 7864989048. Its totient is φ = 1290240000.

The previous prime is 3254544589. The next prime is 3254544653. The reversal of 3254544640 is 464454523.

It can be written as a sum of positive squares in 4 ways, for example, as 451477504 + 2803067136 = 21248^2 + 52944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3254544640.

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 7 ways as a sum of consecutive naturals, for example, 133390 + ... + 155890.

It is an arithmetic number, because the mean of its divisors is an integer number (109235959).

Almost surely, 2^3254544640 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 3254544640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3932494524).

3254544640 is an abundant number, since it is smaller than the sum of its proper divisors (4610444408).

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

3254544640 is a wasteful number, since it uses less digits than its factorization.

3254544640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22635 (or 22621 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The square root of 3254544640 is about 57048.6164599984. The cubic root of 3254544640 is about 1481.9381474061.

The spelling of 3254544640 in words is "three billion, two hundred fifty-four million, five hundred forty-four thousand, six hundred forty".