3306528820 has 144 divisors (see below), whose sum is σ = 8413396992. Its totient is φ = 1087188480.

The previous prime is 3306528811. The next prime is 3306528833. The reversal of 3306528820 is 288256033.

It is a self number, because there is not a number n which added to its sum of digits gives 3306528820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3857832 + ... + 3858688.

It is an arithmetic number, because the mean of its divisors is an integer number (58426368).

Almost surely, 2^3306528820 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 3306528820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4206698496).

3306528820 is an abundant number, since it is smaller than the sum of its proper divisors (5106868172).

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

3306528820 is a wasteful number, since it uses less digits than its factorization.

3306528820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 3306528820 is about 57502.4244706256. The cubic root of 3306528820 is about 1489.7867388425.

The spelling of 3306528820 in words is "three billion, three hundred six million, five hundred twenty-eight thousand, eight hundred twenty".