238336542456 has 128 divisors (see below), whose sum is σ = 625553280000. Its totient is φ = 75573388800.

The previous prime is 238336542449. The next prime is 238336542467. The reversal of 238336542456 is 654245633832.

It is a junction number, because it is equal to n+sod(n) for n = 238336542399 and 238336542408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13570881 + ... + 13588431.

It is an arithmetic number, because the mean of its divisors is an integer number (4887135000).

Almost surely, 2^238336542456 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 238336542456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312776640000).

238336542456 is an abundant number, since it is smaller than the sum of its proper divisors (387216737544).

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

238336542456 is a wasteful number, since it uses less digits than its factorization.

238336542456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877 (or 17873 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 51.

The spelling of 238336542456 in words is "two hundred thirty-eight billion, three hundred thirty-six million, five hundred forty-two thousand, four hundred fifty-six".