2488561218 has 320 divisors, whose sum is σ = 7113173760. Its totient is φ = 638668800.

The previous prime is 2488561213. The next prime is 2488561237. The reversal of 2488561218 is 8121658842.

2488561218 is a `hidden beast` number, since 2 + 4 + 88 + 561 + 2 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (2488561213) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 27961318 + ... + 27961406.

It is an arithmetic number, because the mean of its divisors is an integer number (22228668).

Almost surely, 2^2488561218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2488561218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556586880).

2488561218 is an abundant number, since it is smaller than the sum of its proper divisors (4624612542).

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

2488561218 is a wasteful number, since it uses less digits than its factorization.

2488561218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 206 counting only the distinct ones).

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

The square root of 2488561218 is about 49885.4810340644. The cubic root of 2488561218 is about 1355.1356677566.

The spelling of 2488561218 in words is "two billion, four hundred eighty-eight million, five hundred sixty-one thousand, two hundred eighteen".