238738400880 has 80 divisors (see below), whose sum is σ = 845816054784. Its totient is φ = 54568776960.

The previous prime is 238738400773. The next prime is 238738400891. The reversal of 238738400880 is 88004837832.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71051416 + ... + 71054775.

Almost surely, 2^238738400880 is an apocalyptic number.

238738400880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238738400880 is an abundant number, since it is smaller than the sum of its proper divisors (607077653904).

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

238738400880 is a wasteful number, since it uses less digits than its factorization.

238738400880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142106214 (or 142106208 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 238738400880 in words is "two hundred thirty-eight billion, seven hundred thirty-eight million, four hundred thousand, eight hundred eighty".