2180513790 has 128 divisors (see below), whose sum is σ = 7156638720. Its totient is φ = 460059264.

The previous prime is 2180513773. The next prime is 2180513809. The reversal of 2180513790 is 973150812.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19804 + ... + 68943.

It is an arithmetic number, because the mean of its divisors is an integer number (55911240).

Almost surely, 2^2180513790 is an apocalyptic number.

2180513790 is an abundant number, since it is smaller than the sum of its proper divisors (4976124930).

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

2180513790 is a wasteful number, since it uses less digits than its factorization.

2180513790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88783 (or 88777 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 2180513790 is about 46695.9718819514. The cubic root of 2180513790 is about 1296.7401143808.

It can be divided in two parts, 218051 and 3790, that added together give a square (221841 = 471²).

The spelling of 2180513790 in words is "two billion, one hundred eighty million, five hundred thirteen thousand, seven hundred ninety".