3321155140 has 12 divisors (see below), whose sum is σ = 6974425836. Its totient is φ = 1328462048.

The previous prime is 3321155137. The next prime is 3321155153. The reversal of 3321155140 is 415511233.

It is a happy number.

3321155140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 699919936 + 2621235204 = 26456^2 + 51198^2 .

It is a super-2 number, since 2×3321155140² = 22060142927896839200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83028859 + ... + 83028898.

It is an arithmetic number, because the mean of its divisors is an integer number (581202153).

Almost surely, 2^3321155140 is an apocalyptic number.

It is an amenable number.

3321155140 is an abundant number, since it is smaller than the sum of its proper divisors (3653270696).

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

3321155140 is a wasteful number, since it uses less digits than its factorization.

3321155140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166057766 (or 166057764 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 3321155140 is about 57629.4641654770. The cubic root of 3321155140 is about 1491.9801817980.

Adding to 3321155140 its reverse (415511233), we get a palindrome (3736666373).

The spelling of 3321155140 in words is "three billion, three hundred twenty-one million, one hundred fifty-five thousand, one hundred forty".