2259563436 has 72 divisors (see below), whose sum is σ = 6160911120. Its totient is φ = 694134144.

The previous prime is 2259563419. The next prime is 2259563437. The reversal of 2259563436 is 6343659522.

2259563436 is a `hidden beast` number, since 2 + 2 + 5 + 9 + 5 + 634 + 3 + 6 = 666.

2259563436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2259563391 and 2259563400.

It is not an unprimeable number, because it can be changed into a prime (2259563437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316110 + ... + 323178.

It is an arithmetic number, because the mean of its divisors is an integer number (85568210).

Almost surely, 2^2259563436 is an apocalyptic number.

2259563436 is a gapful number since it is divisible by the number (26) 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 2259563436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3080455560).

2259563436 is an abundant number, since it is smaller than the sum of its proper divisors (3901347684).

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

2259563436 is a wasteful number, since it uses less digits than its factorization.

2259563436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775 (or 7770 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 2259563436 is about 47534.8654778784. The cubic root of 2259563436 is about 1312.2246131343.

The spelling of 2259563436 in words is "two billion, two hundred fifty-nine million, five hundred sixty-three thousand, four hundred thirty-six".