3321140240 has 120 divisors (see below), whose sum is σ = 8572409664. Its totient is φ = 1195603200.

The previous prime is 3321140209. The next prime is 3321140243. The reversal of 3321140240 is 420411233.

It is a super-2 number, since 2×3321140240² = 22059944987494515200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3321140243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 995375 + ... + 998705.

Almost surely, 2^3321140240 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 3321140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4286204832).

3321140240 is an abundant number, since it is smaller than the sum of its proper divisors (5251269424).

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

3321140240 is a wasteful number, since it uses less digits than its factorization.

3321140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3321140240 is about 57629.3348911819. The cubic root of 3321140240 is about 1491.9779505926.

Adding to 3321140240 its reverse (420411233), we get a palindrome (3741551473).

The spelling of 3321140240 in words is "three billion, three hundred twenty-one million, one hundred forty thousand, two hundred forty".