481549861836 has 24 divisors (see below), whose sum is σ = 1248462605040. Its totient is φ = 160516620576.

The previous prime is 481549861829. The next prime is 481549861861. The reversal of 481549861836 is 638168945184.

481549861836 is a `hidden beast` number, since 4 + 8 + 1 + 5 + 4 + 9 + 8 + 618 + 3 + 6 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229397401 + ... + 2229397616.

It is an arithmetic number, because the mean of its divisors is an integer number (52019275210).

Almost surely, 2^481549861836 is an apocalyptic number.

It is an amenable number.

481549861836 is an abundant number, since it is smaller than the sum of its proper divisors (766912743204).

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

481549861836 is a wasteful number, since it uses less digits than its factorization.

481549861836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458795030 (or 4458795022 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The spelling of 481549861836 in words is "four hundred eighty-one billion, five hundred forty-nine million, eight hundred sixty-one thousand, eight hundred thirty-six".