481138374852 has 36 divisors (see below), whose sum is σ = 1223957472556. Its totient is φ = 159357931200.

The previous prime is 481138374851. The next prime is 481138374863. The reversal of 481138374852 is 258473831184.

481138374852 is a `hidden beast` number, since 4 + 81 + 1 + 3 + 83 + 7 + 485 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66629031876 + 414509342976 = 258126^2 + 643824^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (481138374851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42557899 + ... + 42569202.

Almost surely, 2^481138374852 is an apocalyptic number.

It is an amenable number.

481138374852 is an abundant number, since it is smaller than the sum of its proper divisors (742819097704).

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

481138374852 is a wasteful number, since it uses less digits than its factorization.

481138374852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85127268 (or 85127263 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 481138374852 in words is "four hundred eighty-one billion, one hundred thirty-eight million, three hundred seventy-four thousand, eight hundred fifty-two".