238973454720 has 2304 divisors, whose sum is σ = 1170227036160. Its totient is φ = 44126208000.

The previous prime is 238973454701. The next prime is 238973454763. The reversal of 238973454720 is 27454379832.

It is a happy number.

238973454720 is a `hidden beast` number, since 2 + 3 + 8 + 9 + 73 + 4 + 547 + 20 = 666.

238973454720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1251169825 + ... + 1251170015.

It is an arithmetic number, because the mean of its divisors is an integer number (507911040).

Almost surely, 2^238973454720 is an apocalyptic number.

238973454720 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 238973454720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585113518080).

238973454720 is an abundant number, since it is smaller than the sum of its proper divisors (931253581440).

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

238973454720 is a wasteful number, since it uses less digits than its factorization.

238973454720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 238973454720 in words is "two hundred thirty-eight billion, nine hundred seventy-three million, four hundred fifty-four thousand, seven hundred twenty".