2261830380 has 48 divisors (see below), whose sum is σ = 6372006144. Its totient is φ = 599451840.

The previous prime is 2261830369. The next prime is 2261830393. The reversal of 2261830380 is 830381622.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105856 + ... + 125415.

It is an arithmetic number, because the mean of its divisors is an integer number (132750128).

Almost surely, 2^2261830380 is an apocalyptic number.

2261830380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2261830380 is an abundant number, since it is smaller than the sum of its proper divisors (4110175764).

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

2261830380 is a wasteful number, since it uses less digits than its factorization.

2261830380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231446 (or 231444 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2261830380 is about 47558.7045660413. The cubic root of 2261830380 is about 1312.6633033995.

The spelling of 2261830380 in words is "two billion, two hundred sixty-one million, eight hundred thirty thousand, three hundred eighty".