238000720144 has 20 divisors (see below), whose sum is σ = 503046977040. Its totient is φ = 108182145440.

The previous prime is 238000720127. The next prime is 238000720147. The reversal of 238000720144 is 441027000832.

238000720144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (238000720147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676138234 + ... + 676138585.

It is an arithmetic number, because the mean of its divisors is an integer number (25152348852).

Almost surely, 2^238000720144 is an apocalyptic number.

It is an amenable number.

238000720144 is an abundant number, since it is smaller than the sum of its proper divisors (265046256896).

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

238000720144 is a wasteful number, since it uses less digits than its factorization.

238000720144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352276838 (or 1352276832 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 238000720144 its reverse (441027000832), we get a palindrome (679027720976).

The spelling of 238000720144 in words is "two hundred thirty-eight billion, seven hundred twenty thousand, one hundred forty-four".