338111307940 has 96 divisors (see below), whose sum is σ = 821155829760. Its totient is φ = 114541599744.

The previous prime is 338111307929. The next prime is 338111307959. The reversal of 338111307940 is 49703111833.

It is a super-2 number, since 2×338111307940² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338111307893 and 338111307902.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19516162 + ... + 19533478.

It is an arithmetic number, because the mean of its divisors is an integer number (8553706560).

Almost surely, 2^338111307940 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 338111307940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410577914880).

338111307940 is an abundant number, since it is smaller than the sum of its proper divisors (483044521820).

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

338111307940 is a wasteful number, since it uses less digits than its factorization.

338111307940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18989 (or 18987 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 338111307940 in words is "three hundred thirty-eight billion, one hundred eleven million, three hundred seven thousand, nine hundred forty".