238516939679380 has 96 divisors (see below), whose sum is σ = 529706060674560. Its totient is φ = 89964626088960.

The previous prime is 238516939679371. The next prime is 238516939679407. The reversal of 238516939679380 is 83976939615832.

It is a self number, because there is not a number n which added to its sum of digits gives 238516939679380.

It is a congruent number.

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, 105257262 + ... + 107499418.

It is an arithmetic number, because the mean of its divisors is an integer number (5517771465360).

Almost surely, 2^{238516939679380} is an apocalyptic number.

238516939679380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238516939679380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264853030337280).

238516939679380 is an abundant number, since it is smaller than the sum of its proper divisors (291189120995180).

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

238516939679380 is a wasteful number, since it uses less digits than its factorization.

238516939679380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243489 (or 2243487 counting only the distinct ones).

The product of its (nonzero) digits is 3174474240, while the sum is 79.

The spelling of 238516939679380 in words is "two hundred thirty-eight trillion, five hundred sixteen billion, nine hundred thirty-nine million, six hundred seventy-nine thousand, three hundred eighty".