238971847680 has 528 divisors, whose sum is σ = 860571638784. Its totient is φ = 61250273280.

The previous prime is 238971847679. The next prime is 238971847717. The reversal of 238971847680 is 86748179832.

238971847680 is a `hidden beast` number, since 2 + 3 + 89 + 7 + 1 + 8 + 476 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247126557 + ... + 247127523.

It is an arithmetic number, because the mean of its divisors is an integer number (1629870528).

Almost surely, 2^238971847680 is an apocalyptic number.

238971847680 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 238971847680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430285819392).

238971847680 is an abundant number, since it is smaller than the sum of its proper divisors (621599791104).

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

238971847680 is a wasteful number, since it uses less digits than its factorization.

238971847680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 238971847680 in words is "two hundred thirty-eight billion, nine hundred seventy-one million, eight hundred forty-seven thousand, six hundred eighty".