238705265407280 has 120 divisors (see below), whose sum is σ = 661346661729600. Its totient is φ = 79845663636480.

The previous prime is 238705265407243. The next prime is 238705265407421. The reversal of 238705265407280 is 82704562507832.

238705265407280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 742451480 + ... + 742772919.

It is an arithmetic number, because the mean of its divisors is an integer number (5511222181080).

Almost surely, 2^{238705265407280} is an apocalyptic number.

238705265407280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238705265407280 is an abundant number, since it is smaller than the sum of its proper divisors (422641396322320).

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

238705265407280 is a wasteful number, since it uses less digits than its factorization.

238705265407280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485224467 (or 1485224454 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 59.

The spelling of 238705265407280 in words is "two hundred thirty-eight trillion, seven hundred five billion, two hundred sixty-five million, four hundred seven thousand, two hundred eighty".