3321109640 has 64 divisors (see below), whose sum is σ = 7685314560. Its totient is φ = 1290712320.

The previous prime is 3321109621. The next prime is 3321109657. The reversal of 3321109640 is 469011233.

It is a super-2 number, since 2×3321109640² = 22059538481801859200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572185 + ... + 1574295.

It is an arithmetic number, because the mean of its divisors is an integer number (120083040).

Almost surely, 2^3321109640 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 3321109640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3842657280).

3321109640 is an abundant number, since it is smaller than the sum of its proper divisors (4364204920).

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

3321109640 is a wasteful number, since it uses less digits than its factorization.

3321109640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3321109640 is about 57629.0694007807. The cubic root of 3321109640 is about 1491.9733683646.

The spelling of 3321109640 in words is "three billion, three hundred twenty-one million, one hundred nine thousand, six hundred forty".