2118562884 has 48 divisors (see below), whose sum is σ = 5505796800. Its totient is φ = 704487168.

The previous prime is 2118562877. The next prime is 2118562903. The reversal of 2118562884 is 4882658112.

2118562884 is a `hidden beast` number, since 2 + 1 + 1 + 8 + 562 + 8 + 84 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21844 + ... + 68660.

It is an arithmetic number, because the mean of its divisors is an integer number (114704100).

Almost surely, 2^2118562884 is an apocalyptic number.

It is an amenable number.

2118562884 is an abundant number, since it is smaller than the sum of its proper divisors (3387233916).

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

2118562884 is a wasteful number, since it uses less digits than its factorization.

2118562884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47249 (or 47241 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 2118562884 is about 46027.8490047058. The cubic root of 2118562884 is about 1284.3413146262.

The spelling of 2118562884 in words is "two billion, one hundred eighteen million, five hundred sixty-two thousand, eight hundred eighty-four".