238474189242 has 108 divisors (see below), whose sum is σ = 563492953530. Its totient is φ = 72876451680.

The previous prime is 238474189231. The next prime is 238474189267. The reversal of 238474189242 is 242981474832.

238474189242 is a `hidden beast` number, since 2 + 38 + 474 + 18 + 92 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 232701076881 + 5773112361 = 482391^2 + 75981^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 6225484 + ... + 6263672.

Almost surely, 2^238474189242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238474189242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281746476765).

238474189242 is an abundant number, since it is smaller than the sum of its proper divisors (325018764288).

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

238474189242 is a wasteful number, since it uses less digits than its factorization.

238474189242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38297 (or 38244 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

It can be divided in two parts, 238474 and 189242, that added together give a square (427716 = 654²).

The spelling of 238474189242 in words is "two hundred thirty-eight billion, four hundred seventy-four million, one hundred eighty-nine thousand, two hundred forty-two".