3321000280 has 64 divisors (see below), whose sum is σ = 8067810240. Its totient is φ = 1223050752.

The previous prime is 3321000259. The next prime is 3321000281. The reversal of 3321000280 is 820001233.

It is a happy number.

3321000280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3321000280² = 22058085719520156800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321000281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198397 + ... + 214483.

It is an arithmetic number, because the mean of its divisors is an integer number (126059535).

Almost surely, 2^3321000280 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 3321000280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4033905120).

3321000280 is an abundant number, since it is smaller than the sum of its proper divisors (4746809960).

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

3321000280 is a wasteful number, since it uses less digits than its factorization.

3321000280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16508 (or 16504 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3321000280 is about 57628.1205662652. The cubic root of 3321000280 is about 1491.9569919105.

The spelling of 3321000280 in words is "three billion, three hundred twenty-one million, two hundred eighty", and thus it is an aban number.