238268318140 has 48 divisors (see below), whose sum is σ = 536502960000. Its totient is φ = 88565548032.

The previous prime is 238268318117. The next prime is 238268318153. The reversal of 238268318140 is 41813862832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4408515 + ... + 4462234.

It is an arithmetic number, because the mean of its divisors is an integer number (11177145000).

Almost surely, 2^238268318140 is an apocalyptic number.

238268318140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238268318140 is an abundant number, since it is smaller than the sum of its proper divisors (298234641860).

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

238268318140 is a wasteful number, since it uses less digits than its factorization.

238268318140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8870854 (or 8870852 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 238268318140 in words is "two hundred thirty-eight billion, two hundred sixty-eight million, three hundred eighteen thousand, one hundred forty".