3205545328 has 120 divisors (see below), whose sum is σ = 7065658880. Its totient is φ = 1403360640.

The previous prime is 3205545293. The next prime is 3205545341. The reversal of 3205545328 is 8235455023.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4984975 + ... + 4985617.

Almost surely, 2^3205545328 is an apocalyptic number.

3205545328 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3205545328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3532829440).

3205545328 is an abundant number, since it is smaller than the sum of its proper divisors (3860113552).

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

3205545328 is a wasteful number, since it uses less digits than its factorization.

3205545328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 3205545328 is about 56617.5355168344. The cubic root of 3205545328 is about 1474.4633233604.

The spelling of 3205545328 in words is "three billion, two hundred five million, five hundred forty-five thousand, three hundred twenty-eight".