8481618432 has 160 divisors (see below), whose sum is σ = 28693104000. Its totient is φ = 2423291904.

The previous prime is 8481618403. The next prime is 8481618433. The reversal of 8481618432 is 2348161848.

8481618432 is a `hidden beast` number, since 8 + 481 + 61 + 84 + 32 = 666.

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 (8481618433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52944 + ... + 140592.

It is an arithmetic number, because the mean of its divisors is an integer number (179331900).

Almost surely, 2^8481618432 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 8481618432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14346552000).

8481618432 is an abundant number, since it is smaller than the sum of its proper divisors (20211485568).

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

8481618432 is an equidigital number, since it uses as much as digits as its factorization.

8481618432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87683 (or 87661 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 8481618432 is about 92095.7025707497. The cubic root of 8481618432 is about 2039.3553672541.

The spelling of 8481618432 in words is "eight billion, four hundred eighty-one million, six hundred eighteen thousand, four hundred thirty-two".