238871625018 has 32 divisors (see below), whose sum is σ = 519045782976. Its totient is φ = 72848525568.

The previous prime is 238871625017. The next prime is 238871625101. The reversal of 238871625018 is 810526178832.

It is not an unprimeable number, because it can be changed into a prime (238871625011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13541880 + ... + 13559507.

It is an arithmetic number, because the mean of its divisors is an integer number (16220180718).

Almost surely, 2^238871625018 is an apocalyptic number.

238871625018 is an abundant number, since it is smaller than the sum of its proper divisors (280174157958).

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

238871625018 is a wasteful number, since it uses less digits than its factorization.

238871625018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27101518.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 238871625018 in words is "two hundred thirty-eight billion, eight hundred seventy-one million, six hundred twenty-five thousand, eighteen".