238163538450 has 48 divisors (see below), whose sum is σ = 593096476896. Its totient is φ = 63246739200.

The previous prime is 238163538443. The next prime is 238163538497. The reversal of 238163538450 is 54835361832.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 238163538450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3257952 + ... + 3330251.

It is an arithmetic number, because the mean of its divisors is an integer number (12356176602).

Almost surely, 2^238163538450 is an apocalyptic number.

238163538450 is an abundant number, since it is smaller than the sum of its proper divisors (354932938446).

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

238163538450 is a wasteful number, since it uses less digits than its factorization.

238163538450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6588459 (or 6588454 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 238163538450 in words is "two hundred thirty-eight billion, one hundred sixty-three million, five hundred thirty-eight thousand, four hundred fifty".