2251360260 has 72 divisors (see below), whose sum is σ = 6837359256. Its totient is φ = 599639040.

The previous prime is 2251360259. The next prime is 2251360289. The reversal of 2251360260 is 620631522.

2251360260 is a `hidden beast` number, since 2 + 2 + 51 + 3 + 602 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 493906176 + 1757454084 = 22224^2 + 41922^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151482 + ... + 165678.

It is an arithmetic number, because the mean of its divisors is an integer number (94963323).

Almost surely, 2^2251360260 is an apocalyptic number.

2251360260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251360260 is an abundant number, since it is smaller than the sum of its proper divisors (4585998996).

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

2251360260 is a wasteful number, since it uses less digits than its factorization.

2251360260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15093 (or 15088 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2251360260 is about 47448.5011354416. The cubic root of 2251360260 is about 1310.6347098106.

Adding to 2251360260 its reverse (620631522), we get a palindrome (2871991782).

The spelling of 2251360260 in words is "two billion, two hundred fifty-one million, three hundred sixty thousand, two hundred sixty".