338743138888 has 128 divisors (see below), whose sum is σ = 810792576000. Its totient is φ = 128827480320.

The previous prime is 338743138873. The next prime is 338743138889. The reversal of 338743138888 is 888831347833.

It is a super-2 number, since 2×338743138888² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338743138889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57714418 + ... + 57720286.

It is an arithmetic number, because the mean of its divisors is an integer number (6334317000).

Almost surely, 2^338743138888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338743138888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405396288000).

338743138888 is an abundant number, since it is smaller than the sum of its proper divisors (472049437112).

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

338743138888 is a wasteful number, since it uses less digits than its factorization.

338743138888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115 (or 8111 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 64.

The spelling of 338743138888 in words is "three hundred thirty-eight billion, seven hundred forty-three million, one hundred thirty-eight thousand, eight hundred eighty-eight".