238157844772 has 12 divisors (see below), whose sum is σ = 416876952240. Its totient is φ = 119050144136.

The previous prime is 238157844731. The next prime is 238157844817. The reversal of 238157844772 is 277448751832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7175938 + ... + 7209049.

It is an arithmetic number, because the mean of its divisors is an integer number (34739746020).

Almost surely, 2^238157844772 is an apocalyptic number.

It is an amenable number.

238157844772 is a deficient number, since it is larger than the sum of its proper divisors (178719107468).

238157844772 is a wasteful number, since it uses less digits than its factorization.

238157844772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14389130 (or 14389128 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 58.

The spelling of 238157844772 in words is "two hundred thirty-eight billion, one hundred fifty-seven million, eight hundred forty-four thousand, seven hundred seventy-two".