8138548224 has 132 divisors (see below), whose sum is σ = 24370992464. Its totient is φ = 2712766464.

The previous prime is 8138548207. The next prime is 8138548237. The reversal of 8138548224 is 4228458318.

8138548224 is a `hidden beast` number, since 8 + 1 + 385 + 48 + 224 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8138548224.

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 11 ways as a sum of consecutive naturals, for example, 232479 + ... + 265185.

Almost surely, 2^8138548224 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 8138548224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12185496232).

8138548224 is an abundant number, since it is smaller than the sum of its proper divisors (16232444240).

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

8138548224 is an equidigital number, since it uses as much as digits as its factorization.

8138548224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32742 (or 32712 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 8138548224 is about 90213.9026092985. The cubic root of 8138548224 is about 2011.4796678775.

The spelling of 8138548224 in words is "eight billion, one hundred thirty-eight million, five hundred forty-eight thousand, two hundred twenty-four".