238988115100 has 72 divisors (see below), whose sum is σ = 592767872928. Its totient is φ = 81928089600.

The previous prime is 238988115071. The next prime is 238988115101. The reversal of 238988115100 is 1511889832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238988115101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6865740 + ... + 6900460.

It is an arithmetic number, because the mean of its divisors is an integer number (8232887124).

Almost surely, 2^238988115100 is an apocalyptic number.

238988115100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238988115100 is an abundant number, since it is smaller than the sum of its proper divisors (353779757828).

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

238988115100 is a wasteful number, since it uses less digits than its factorization.

238988115100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44575 (or 44568 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 238988115100 in words is "two hundred thirty-eight billion, nine hundred eighty-eight million, one hundred fifteen thousand, one hundred".