338966441538 has 16 divisors (see below), whose sum is σ = 678150975360. Its totient is φ = 112952465136.

The previous prime is 338966441537. The next prime is 338966441563. The reversal of 338966441538 is 835144669833.

It is a super-2 number, since 2×338966441538² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338966441537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9066970 + ... + 9104277.

It is an arithmetic number, because the mean of its divisors is an integer number (42384435960).

Almost surely, 2^338966441538 is an apocalyptic number.

338966441538 is an abundant number, since it is smaller than the sum of its proper divisors (339184533822).

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

338966441538 is a wasteful number, since it uses less digits than its factorization.

338966441538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18174361.

The product of its digits is 44789760, while the sum is 60.

The spelling of 338966441538 in words is "three hundred thirty-eight billion, nine hundred sixty-six million, four hundred forty-one thousand, five hundred thirty-eight".