338818028020272 has 60 divisors (see below), whose sum is σ = 948727782866760. Its totient is φ = 112878850166784.

The previous prime is 338818028020247. The next prime is 338818028020301. The reversal of 338818028020272 is 272020820818833.

338818028020272 is a `hidden beast` number, since 3 + 3 + 8 + 81 + 80 + 280 + 202 + 7 + 2 = 666.

It is a super-2 number, since 2×338818028020272² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629860497 + ... + 630398192.

It is an arithmetic number, because the mean of its divisors is an integer number (15812129714446).

Almost surely, 2^{338818028020272} is an apocalyptic number.

It is an amenable number.

338818028020272 is an abundant number, since it is smaller than the sum of its proper divisors (609909754846488).

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

338818028020272 is a wasteful number, since it uses less digits than its factorization.

338818028020272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260260570 (or 1260260561 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 338818028020272 in words is "three hundred thirty-eight trillion, eight hundred eighteen billion, twenty-eight million, twenty thousand, two hundred seventy-two".