2265647360 has 72 divisors (see below), whose sum is σ = 5516089656. Its totient is φ = 891371520.

The previous prime is 2265647357. The next prime is 2265647393. The reversal of 2265647360 is 637465622.

It can be written as a sum of positive squares in 4 ways, for example, as 51380224 + 2214267136 = 7168^2 + 47056^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63572 + ... + 92588.

Almost surely, 2^2265647360 is an apocalyptic number.

2265647360 is a gapful number since it is divisible by the number (20) 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 2265647360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758044828).

2265647360 is an abundant number, since it is smaller than the sum of its proper divisors (3250442296).

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

2265647360 is an equidigital number, since it uses as much as digits as its factorization.

2265647360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29099 (or 29085 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 2265647360 is about 47598.8167920170. The cubic root of 2265647360 is about 1313.4012888529.

The spelling of 2265647360 in words is "two billion, two hundred sixty-five million, six hundred forty-seven thousand, three hundred sixty".