481238817881338 has 128 divisors (see below), whose sum is σ = 837708902184960. Its totient is φ = 205180975169280.

The previous prime is 481238817881281. The next prime is 481238817881399. The reversal of 481238817881338 is 833188718832184.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32054799520 + ... + 32054814532.

It is an arithmetic number, because the mean of its divisors is an integer number (6544600798320).

Almost surely, 2^{481238817881338} is an apocalyptic number.

481238817881338 is a deficient number, since it is larger than the sum of its proper divisors (356470084303622).

481238817881338 is a wasteful number, since it uses less digits than its factorization.

481238817881338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17684.

The product of its digits is 396361728, while the sum is 73.

The spelling of 481238817881338 in words is "four hundred eighty-one trillion, two hundred thirty-eight billion, eight hundred seventeen million, eight hundred eighty-one thousand, three hundred thirty-eight".