238634732112 has 160 divisors (see below), whose sum is σ = 709277460480. Its totient is φ = 67723845120.

The previous prime is 238634732093. The next prime is 238634732137. The reversal of 238634732112 is 211237436832.

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

It is a nude number because it is divisible by every one of its digits.

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, 72953037 + ... + 72956307.

It is an arithmetic number, because the mean of its divisors is an integer number (4432984128).

Almost surely, 2^238634732112 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 238634732112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354638730240).

238634732112 is an abundant number, since it is smaller than the sum of its proper divisors (470642728368).

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

238634732112 is a wasteful number, since it uses less digits than its factorization.

238634732112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681 (or 4675 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The spelling of 238634732112 in words is "two hundred thirty-eight billion, six hundred thirty-four million, seven hundred thirty-two thousand, one hundred twelve".