2261512360 has 16 divisors (see below), whose sum is σ = 5088402900. Its totient is φ = 904604928.

The previous prime is 2261512291. The next prime is 2261512361. The reversal of 2261512360 is 632151622.

It can be written as a sum of positive squares in 2 ways, for example, as 2117656324 + 143856036 = 46018^2 + 11994^2 .

It is a super-2 number, since 2×2261512360² = 10228876308865539200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261512361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28268865 + ... + 28268944.

Almost surely, 2^2261512360 is an apocalyptic number.

2261512360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2261512360 is an abundant number, since it is smaller than the sum of its proper divisors (2826890540).

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

2261512360 is a wasteful number, since it uses less digits than its factorization.

2261512360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56537820 (or 56537816 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2261512360 is about 47555.3610016789. The cubic root of 2261512360 is about 1312.6017790762.

Adding to 2261512360 its reverse (632151622), we get a palindrome (2893663982).

The spelling of 2261512360 in words is "two billion, two hundred sixty-one million, five hundred twelve thousand, three hundred sixty".