2265988608 has 280 divisors, whose sum is σ = 7326046728. Its totient is φ = 695734272.

The previous prime is 2265988603. The next prime is 2265988619. The reversal of 2265988608 is 8068895622.

2265988608 is a `hidden beast` number, since 2 + 26 + 5 + 9 + 8 + 8 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265988603) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4851991 + ... + 4852457.

Almost surely, 2^2265988608 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 2265988608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3663023364).

2265988608 is an abundant number, since it is smaller than the sum of its proper divisors (5060058120).

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

2265988608 is an frugal number, since it uses more digits than its factorization.

2265988608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 2265988608 is about 47602.4012839689. The cubic root of 2265988608 is about 1313.4672263079.

The spelling of 2265988608 in words is "two billion, two hundred sixty-five million, nine hundred eighty-eight thousand, six hundred eight".