238788570520 has 32 divisors (see below), whose sum is σ = 537326460000. Its totient is φ = 95506152448.

The previous prime is 238788570509. The next prime is 238788570521. The reversal of 238788570520 is 25075887832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238788570521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134856 + ... + 704104.

It is an arithmetic number, because the mean of its divisors is an integer number (16791451875).

Almost surely, 2^238788570520 is an apocalyptic number.

238788570520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238788570520 is an abundant number, since it is smaller than the sum of its proper divisors (298537889480).

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

238788570520 is a wasteful number, since it uses less digits than its factorization.

238788570520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579747 (or 579743 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 238788570520 in words is "two hundred thirty-eight billion, seven hundred eighty-eight million, five hundred seventy thousand, five hundred twenty".