2180333772 has 36 divisors (see below), whose sum is σ = 5518387056. Its totient is φ = 725856480.

The previous prime is 2180333693. The next prime is 2180333801. The reversal of 2180333772 is 2773330812.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9304 + ... + 66687.

Almost surely, 2^2180333772 is an apocalyptic number.

It is an amenable number.

2180333772 is an abundant number, since it is smaller than the sum of its proper divisors (3338053284).

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

2180333772 is a wasteful number, since it uses less digits than its factorization.

2180333772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76798 (or 76793 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 2180333772 is about 46694.0442883244. The cubic root of 2180333772 is about 1296.7044281453.

The spelling of 2180333772 in words is "two billion, one hundred eighty million, three hundred thirty-three thousand, seven hundred seventy-two".