2118128448 has 112 divisors (see below), whose sum is σ = 5836798080. Its totient is φ = 677074944.

The previous prime is 2118128431. The next prime is 2118128459. The reversal of 2118128448 is 8448218112.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872965 + ... + 875387.

Almost surely, 2^2118128448 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 2118128448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2918399040).

2118128448 is an abundant number, since it is smaller than the sum of its proper divisors (3718669632).

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

2118128448 is a wasteful number, since it uses less digits than its factorization.

2118128448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 2614 counting only the distinct ones).

The product of its digits is 32768, while the sum is 39.

The square root of 2118128448 is about 46023.1294894209. The cubic root of 2118128448 is about 1284.2535189085.

The spelling of 2118128448 in words is "two billion, one hundred eighteen million, one hundred twenty-eight thousand, four hundred forty-eight".