2180819184 has 40 divisors (see below), whose sum is σ = 5691875280. Its totient is φ = 719443968.

The previous prime is 2180819167. The next prime is 2180819189. The reversal of 2180819184 is 4819180812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180819189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229539 + ... + 238850.

It is an arithmetic number, because the mean of its divisors is an integer number (142296882).

Almost surely, 2^2180819184 is an apocalyptic number.

2180819184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2180819184 is an abundant number, since it is smaller than the sum of its proper divisors (3511056096).

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

2180819184 is a wasteful number, since it uses less digits than its factorization.

2180819184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468497 (or 468491 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 42.

The square root of 2180819184 is about 46699.2417925602. The cubic root of 2180819184 is about 1296.8006502915.

Adding to 2180819184 its reverse (4819180812), we get a palindrome (6999999996).

The spelling of 2180819184 in words is "two billion, one hundred eighty million, eight hundred nineteen thousand, one hundred eighty-four".