2180322036 has 30 divisors (see below), whose sum is σ = 5699793330. Its totient is φ = 726773904.

The previous prime is 2180322013. The next prime is 2180322041. The reversal of 2180322036 is 6302230812.

It can be written as a sum of positive squares in only one way, i.e., 1210622436 + 969699600 = 34794^2 + 31140^2 .

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 polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3364371 + ... + 3365018.

It is an arithmetic number, because the mean of its divisors is an integer number (189993111).

Almost surely, 2^2180322036 is an apocalyptic number.

It is an amenable number.

2180322036 is an abundant number, since it is smaller than the sum of its proper divisors (3519471294).

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

2180322036 is a wasteful number, since it uses less digits than its factorization.

2180322036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729405 (or 6729394 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2180322036 is about 46693.9186190236. The cubic root of 2180322036 is about 1296.7021015672.

Adding to 2180322036 its reverse (6302230812), we get a palindrome (8482552848).

The spelling of 2180322036 in words is "two billion, one hundred eighty million, three hundred twenty-two thousand, thirty-six".