238153793312 has 24 divisors (see below), whose sum is σ = 468900374796. Its totient is φ = 119067983872.

The previous prime is 238153793239. The next prime is 238153793327. The reversal of 238153793312 is 213397351832.

It can be written as a sum of positive squares in 2 ways, for example, as 150013683856 + 88140109456 = 387316^2 + 296884^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166628 + ... + 709980.

Almost surely, 2^238153793312 is an apocalyptic number.

It is an amenable number.

238153793312 is a deficient number, since it is larger than the sum of its proper divisors (230746581484).

238153793312 is a wasteful number, since it uses less digits than its factorization.

238153793312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557060 (or 557052 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The spelling of 238153793312 in words is "two hundred thirty-eight billion, one hundred fifty-three million, seven hundred ninety-three thousand, three hundred twelve".