3300021240 has 192 divisors, whose sum is σ = 10303977600. Its totient is φ = 845381376.

The previous prime is 3300021239. The next prime is 3300021313. The reversal of 3300021240 is 421200033.

3300021240 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 2×3300021240² = 21780280368902275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23741091 + ... + 23741229.

It is an arithmetic number, because the mean of its divisors is an integer number (53666550).

Almost surely, 2^3300021240 is an apocalyptic number.

3300021240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3300021240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5151988800).

3300021240 is an abundant number, since it is smaller than the sum of its proper divisors (7003956360).

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

3300021240 is a wasteful number, since it uses less digits than its factorization.

3300021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3300021240 is about 57445.8113355534. The cubic root of 3300021240 is about 1488.8087471116.

Adding to 3300021240 its reverse (421200033), we get a palindrome (3721221273).

The spelling of 3300021240 in words is "three billion, three hundred million, twenty-one thousand, two hundred forty".