3330781128 has 64 divisors (see below), whose sum is σ = 9264940800. Its totient is φ = 1108728000.

The previous prime is 3330781067. The next prime is 3330781141. The reversal of 3330781128 is 8211870333.

It is a super-2 number, since 2×3330781128² = 22188205845281904768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3330781092 and 3330781101.

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 15 ways as a sum of consecutive naturals, for example, 151950 + ... + 172482.

It is an arithmetic number, because the mean of its divisors is an integer number (144764700).

Almost surely, 2^3330781128 is an apocalyptic number.

It is an amenable number.

3330781128 is an abundant number, since it is smaller than the sum of its proper divisors (5934159672).

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

3330781128 is a wasteful number, since it uses less digits than its factorization.

3330781128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21299 (or 21289 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 3330781128 is about 57712.9199399926. The cubic root of 3330781128 is about 1493.4202360053.

The spelling of 3330781128 in words is "three billion, three hundred thirty million, seven hundred eighty-one thousand, one hundred twenty-eight".