238640713180 has 24 divisors (see below), whose sum is σ = 501158856240. Its totient is φ = 95453740800.

The previous prime is 238640713139. The next prime is 238640713193. The reversal of 238640713180 is 81317046832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731716 + ... + 1006324.

It is an arithmetic number, because the mean of its divisors is an integer number (20881619010).

Almost surely, 2^238640713180 is an apocalyptic number.

238640713180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238640713180 is an abundant number, since it is smaller than the sum of its proper divisors (262518143060).

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

238640713180 is a wasteful number, since it uses less digits than its factorization.

238640713180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318069 (or 318067 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 238640713180 in words is "two hundred thirty-eight billion, six hundred forty million, seven hundred thirteen thousand, one hundred eighty".