3345247920 has 160 divisors (see below), whose sum is σ = 12475630080. Its totient is φ = 724377600.

The previous prime is 3345247907. The next prime is 3345247921. The reversal of 3345247920 is 297425433.

3345247920 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3345247920² = 22381367292528652800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3345247921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20481 + ... + 84320.

It is an arithmetic number, because the mean of its divisors is an integer number (77972688).

Almost surely, 2^3345247920 is an apocalyptic number.

3345247920 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 3345247920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6237815040).

3345247920 is an abundant number, since it is smaller than the sum of its proper divisors (9130382160).

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

3345247920 is a wasteful number, since it uses less digits than its factorization.

3345247920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104843 (or 104837 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 3345247920 is about 57838.1182266505. The cubic root of 3345247920 is about 1495.5792686665.

The spelling of 3345247920 in words is "three billion, three hundred forty-five million, two hundred forty-seven thousand, nine hundred twenty".