238239243589536 has 288 divisors, whose sum is σ = 815222724825600. Its totient is φ = 64470481943040.

The previous prime is 238239243589507. The next prime is 238239243589601. The reversal of 238239243589536 is 635985342932832.

It is a happy number.

238239243589536 is a `hidden beast` number, since 2 + 3 + 8 + 2 + 3 + 9 + 2 + 4 + 3 + 5 + 89 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×238239243589536² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160867471 + ... + 162341681.

It is an arithmetic number, because the mean of its divisors is an integer number (2830634461200).

Almost surely, 2^{238239243589536} 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 238239243589536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407611362412800).

238239243589536 is an abundant number, since it is smaller than the sum of its proper divisors (576983481236064).

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

238239243589536 is a wasteful number, since it uses less digits than its factorization.

238239243589536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478472 (or 1478461 counting only the distinct ones).

The product of its digits is 2015539200, while the sum is 72.

The spelling of 238239243589536 in words is "two hundred thirty-eight trillion, two hundred thirty-nine billion, two hundred forty-three million, five hundred eighty-nine thousand, five hundred thirty-six".