238504419840 has 160 divisors (see below), whose sum is σ = 766465514496. Its totient is φ = 63267799040.

The previous prime is 238504419833. The next prime is 238504419943. The reversal of 238504419840 is 48914405832.

It is a tau number, because it is divible by the number of its divisors (160).

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 238504419840.

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 15 ways as a sum of consecutive naturals, for example, 1385584 + ... + 1548176.

Almost surely, 2^238504419840 is an apocalyptic number.

238504419840 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 238504419840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383232757248).

238504419840 is an abundant number, since it is smaller than the sum of its proper divisors (527961094656).

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

238504419840 is a wasteful number, since it uses less digits than its factorization.

238504419840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162810 (or 162794 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 238504419840 in words is "two hundred thirty-eight billion, five hundred four million, four hundred nineteen thousand, eight hundred forty".