238504525920 has 240 divisors, whose sum is σ = 845408385360. Its totient is φ = 63322684416.

The previous prime is 238504525871. The next prime is 238504525943. The reversal of 238504525920 is 29525405832.

238504525920 is a `hidden beast` number, since 2 + 3 + 8 + 5 + 0 + 4 + 52 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2927659 + ... + 3008021.

It is an arithmetic number, because the mean of its divisors is an integer number (3522534939).

Almost surely, 2^238504525920 is an apocalyptic number.

238504525920 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 238504525920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422704192680).

238504525920 is an abundant number, since it is smaller than the sum of its proper divisors (606903859440).

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

238504525920 is a wasteful number, since it uses less digits than its factorization.

238504525920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80619 (or 80602 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 238504525920 in words is "two hundred thirty-eight billion, five hundred four million, five hundred twenty-five thousand, nine hundred twenty".