480256681138 has 8 divisors (see below), whose sum is σ = 775799254188. Its totient is φ = 221656929744.

The previous prime is 480256681129. The next prime is 480256681139. The reversal of 480256681138 is 831186652084.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 480253158009 + 3523129 = 693003^2 + 1877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (480256681139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9235705381 + ... + 9235705432.

Almost surely, 2^480256681138 is an apocalyptic number.

480256681138 is a deficient number, since it is larger than the sum of its proper divisors (295542573050).

480256681138 is a wasteful number, since it uses less digits than its factorization.

480256681138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18471410828.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 480256681138 in words is "four hundred eighty billion, two hundred fifty-six million, six hundred eighty-one thousand, one hundred thirty-eight".