2261361260 has 24 divisors (see below), whose sum is σ = 4769605680. Its totient is φ = 900592704.

The previous prime is 2261361259. The next prime is 2261361281. The reversal of 2261361260 is 621631622.

It is a super-2 number, since 2×2261361260² = 10227509496457575200, which contains 22 as substring.

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, 242294 + ... + 251453.

It is an arithmetic number, because the mean of its divisors is an integer number (198733570).

Almost surely, 2^2261361260 is an apocalyptic number.

2261361260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2261361260 is an abundant number, since it is smaller than the sum of its proper divisors (2508244420).

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

2261361260 is a wasteful number, since it uses less digits than its factorization.

2261361260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493985 (or 493983 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2261361260 is about 47553.7723004180. The cubic root of 2261361260 is about 1312.5725451663.

Adding to 2261361260 its reverse (621631622), we get a palindrome (2882992882).

The spelling of 2261361260 in words is "two billion, two hundred sixty-one million, three hundred sixty-one thousand, two hundred sixty".