481867866 has 40 divisors (see below), whose sum is σ = 1089871200. Its totient is φ = 159115752.

The previous prime is 481867861. The next prime is 481867877. The reversal of 481867866 is 668768184.

481867866 is a `hidden beast` number, since 481 + 86 + 7 + 86 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (481867861) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3435 + ... + 31233.

It is an arithmetic number, because the mean of its divisors is an integer number (27246780).

Almost surely, 2^481867866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481867866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544935600).

481867866 is an abundant number, since it is smaller than the sum of its proper divisors (608003334).

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

481867866 is a wasteful number, since it uses less digits than its factorization.

481867866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27920 (or 27911 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 481867866 is about 21951.4889244443. The cubic root of 481867866 is about 783.9878314872.

The spelling of 481867866 in words is "four hundred eighty-one million, eight hundred sixty-seven thousand, eight hundred sixty-six".