238297275216 has 320 divisors, whose sum is σ = 918381219840. Its totient is φ = 57134108160.

The previous prime is 238297275197. The next prime is 238297275239. The reversal of 238297275216 is 612572792832.

238297275216 is a `hidden beast` number, since 2 + 3 + 8 + 2 + 97 + 27 + 521 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156901 + ... + 707963.

It is an arithmetic number, because the mean of its divisors is an integer number (2869941312).

Almost surely, 2^238297275216 is an apocalyptic number.

238297275216 is a gapful number since it is divisible by the number (26) 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 238297275216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459190609920).

238297275216 is an abundant number, since it is smaller than the sum of its proper divisors (680083944624).

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

238297275216 is a wasteful number, since it uses less digits than its factorization.

238297275216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551111 (or 551099 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 238297275216 in words is "two hundred thirty-eight billion, two hundred ninety-seven million, two hundred seventy-five thousand, two hundred sixteen".