2118613248 has 108 divisors (see below), whose sum is σ = 6121232208. Its totient is φ = 704732160.

The previous prime is 2118613247. The next prime is 2118613249. The reversal of 2118613248 is 8423168112.

2118613248 is a `hidden beast` number, since 2 + 1 + 18 + 613 + 24 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2118613247) and next prime (2118613249).

It is a super-2 number, since 2×2118613248² = 8977044189202219008, which contains 22 as substring.

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

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

It is not an unprimeable number, because it can be changed into a prime (2118613247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2181403 + ... + 2182373.

It is an arithmetic number, because the mean of its divisors is an integer number (56678076).

Almost surely, 2^2118613248 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 2118613248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3060616104).

2118613248 is an abundant number, since it is smaller than the sum of its proper divisors (4002618960).

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

2118613248 is an equidigital number, since it uses as much as digits as its factorization.

2118613248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940 (or 1923 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 2118613248 is about 46028.3961050133. The cubic root of 2118613248 is about 1284.3514919739.

The spelling of 2118613248 in words is "two billion, one hundred eighteen million, six hundred thirteen thousand, two hundred forty-eight".