481521568 has 96 divisors (see below), whose sum is σ = 1095716160. Its totient is φ = 206223360.

The previous prime is 481521559. The next prime is 481521569. The reversal of 481521568 is 865125184.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 481521568.

It is not an unprimeable number, because it can be changed into a prime (481521569) 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, 438396 + ... + 439492.

It is an arithmetic number, because the mean of its divisors is an integer number (11413710).

Almost surely, 2^481521568 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 481521568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547858080).

481521568 is an abundant number, since it is smaller than the sum of its proper divisors (614194592).

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

481521568 is a wasteful number, since it uses less digits than its factorization.

481521568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1182 counting only the distinct ones).

The product of its digits is 76800, while the sum is 40.

The square root of 481521568 is about 21943.5997046975. The cubic root of 481521568 is about 783.7999802108.

The spelling of 481521568 in words is "four hundred eighty-one million, five hundred twenty-one thousand, five hundred sixty-eight".