2291130360 has 112 divisors (see below), whose sum is σ = 7729127640. Its totient is φ = 610960320.

The previous prime is 2291130353. The next prime is 2291130379. The reversal of 2291130360 is 630311922.

2291130360 is a `hidden beast` number, since 2 + 291 + 13 + 0 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10126 + ... + 68445.

Almost surely, 2^2291130360 is an apocalyptic number.

2291130360 is a gapful number since it is divisible by the number (20) 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 2291130360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3864563820).

2291130360 is an abundant number, since it is smaller than the sum of its proper divisors (5437997280).

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

2291130360 is an equidigital number, since it uses as much as digits as its factorization.

2291130360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78600 (or 78581 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2291130360 is about 47865.7535196094. The cubic root of 2291130360 is about 1318.3071273747.

It can be divided in two parts, 2291 and 130360, that added together give a cube (132651 = 51³).

The spelling of 2291130360 in words is "two billion, two hundred ninety-one million, one hundred thirty thousand, three hundred sixty".