481338161128530 has 48 divisors (see below), whose sum is σ = 1251516319784640. Its totient is φ = 128353037752224.

The previous prime is 481338161128507. The next prime is 481338161128537. The reversal of 481338161128530 is 35821161833184.

481338161128530 is a `hidden beast` number, since 4 + 8 + 1 + 3 + 3 + 81 + 6 + 1 + 1 + 28 + 530 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (481338161128537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76221942 + ... + 82294961.

It is an arithmetic number, because the mean of its divisors is an integer number (26073256662180).

Almost surely, 2^{481338161128530} is an apocalyptic number.

481338161128530 is an abundant number, since it is smaller than the sum of its proper divisors (770178158656110).

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

481338161128530 is a wasteful number, since it uses less digits than its factorization.

481338161128530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158550655 (or 158550652 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 481338161128530 in words is "four hundred eighty-one trillion, three hundred thirty-eight billion, one hundred sixty-one million, one hundred twenty-eight thousand, five hundred thirty".