3280115328 has 128 divisors (see below), whose sum is σ = 10030272000. Its totient is φ = 930327552.

The previous prime is 3280115323. The next prime is 3280115329. The reversal of 3280115328 is 8235110823.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (3280115323) 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, 369243 + ... + 378021.

It is an arithmetic number, because the mean of its divisors is an integer number (78361500).

Almost surely, 2^3280115328 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 3280115328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5015136000).

3280115328 is an abundant number, since it is smaller than the sum of its proper divisors (6750156672).

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

3280115328 is a wasteful number, since it uses less digits than its factorization.

3280115328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942 (or 8930 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 3280115328 is about 57272.2911013694. The cubic root of 3280115328 is about 1485.8091820479.

The spelling of 3280115328 in words is "three billion, two hundred eighty million, one hundred fifteen thousand, three hundred twenty-eight".