2180184272 has 80 divisors (see below), whose sum is σ = 5017714560. Its totient is φ = 897867264.

The previous prime is 2180184271. The next prime is 2180184311. The reversal of 2180184272 is 2724810812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180184271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735818 + ... + 738774.

It is an arithmetic number, because the mean of its divisors is an integer number (62721432).

Almost surely, 2^2180184272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2180184272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2508857280).

2180184272 is an abundant number, since it is smaller than the sum of its proper divisors (2837530288).

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

2180184272 is a wasteful number, since it uses less digits than its factorization.

2180184272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228 (or 3222 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 2180184272 is about 46692.4434143256. The cubic root of 2180184272 is about 1296.6747902147.

The spelling of 2180184272 in words is "two billion, one hundred eighty million, one hundred eighty-four thousand, two hundred seventy-two".