238418483520 has 224 divisors, whose sum is σ = 865543827456. Its totient is φ = 54468864000.

The previous prime is 238418483491. The next prime is 238418483593. The reversal of 238418483520 is 25384814832.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 238418483520.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 15791175 + ... + 15806265.

It is an arithmetic number, because the mean of its divisors is an integer number (3864034944).

Almost surely, 2^238418483520 is an apocalyptic number.

238418483520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238418483520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432771913728).

238418483520 is an abundant number, since it is smaller than the sum of its proper divisors (627125343936).

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

238418483520 is a wasteful number, since it uses less digits than its factorization.

238418483520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17469 (or 17459 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 238418483520 in words is "two hundred thirty-eight billion, four hundred eighteen million, four hundred eighty-three thousand, five hundred twenty".