238521730272 has 192 divisors, whose sum is σ = 758969326080. Its totient is φ = 64029229056.

The previous prime is 238521730261. The next prime is 238521730303. The reversal of 238521730272 is 272037125832.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6688104 + ... + 6723672.

It is an arithmetic number, because the mean of its divisors is an integer number (3952965240).

Almost surely, 2^238521730272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238521730272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379484663040).

238521730272 is an abundant number, since it is smaller than the sum of its proper divisors (520447595808).

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

238521730272 is a wasteful number, since it uses less digits than its factorization.

238521730272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36193 (or 36185 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 238521730272 in words is "two hundred thirty-eight billion, five hundred twenty-one million, seven hundred thirty thousand, two hundred seventy-two".