3245655680 has 64 divisors (see below), whose sum is σ = 7775460000. Its totient is φ = 1295533056.

The previous prime is 3245655659. The next prime is 3245655683. The reversal of 3245655680 is 865565423.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (3245655683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314279 + ... + 324441.

Almost surely, 2^3245655680 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 3245655680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3887730000).

3245655680 is an abundant number, since it is smaller than the sum of its proper divisors (4529804320).

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

3245655680 is a wasteful number, since it uses less digits than its factorization.

3245655680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681 (or 10669 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The square root of 3245655680 is about 56970.6563065584. The cubic root of 3245655680 is about 1480.5877383217.

The spelling of 3245655680 in words is "three billion, two hundred forty-five million, six hundred fifty-five thousand, six hundred eighty".