481728866 has 4 divisors (see below), whose sum is σ = 722593302. Its totient is φ = 240864432.

The previous prime is 481728857. The next prime is 481728883. The reversal of 481728866 is 668827184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 479391025 + 2337841 = 21895^2 + 1529^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120432215 + ... + 120432218.

Almost surely, 2^481728866 is an apocalyptic number.

481728866 is a deficient number, since it is larger than the sum of its proper divisors (240864436).

481728866 is a wasteful number, since it uses less digits than its factorization.

481728866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240864435.

The product of its digits is 1032192, while the sum is 50.

The square root of 481728866 is about 21948.3226238362. The cubic root of 481728866 is about 783.9124409799.

The spelling of 481728866 in words is "four hundred eighty-one million, seven hundred twenty-eight thousand, eight hundred sixty-six".