481276618 has 4 divisors (see below), whose sum is σ = 721914930. Its totient is φ = 240638308.

The previous prime is 481276603. The next prime is 481276619. The reversal of 481276618 is 816672184.

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., 403889409 + 77387209 = 20097^2 + 8797^2 .

It is not an unprimeable number, because it can be changed into a prime (481276619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120319153 + ... + 120319156.

Almost surely, 2^481276618 is an apocalyptic number.

481276618 is a deficient number, since it is larger than the sum of its proper divisors (240638312).

481276618 is a wasteful number, since it uses less digits than its factorization.

481276618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240638311.

The product of its digits is 129024, while the sum is 43.

The square root of 481276618 is about 21938.0176406165. The cubic root of 481276618 is about 783.6670513297.

It can be divided in two parts, 48127 and 6618, that added together give a palindrome (54745).

The spelling of 481276618 in words is "four hundred eighty-one million, two hundred seventy-six thousand, six hundred eighteen".