243458728344 has 48 divisors (see below), whose sum is σ = 710087960400. Its totient is φ = 74910377664.

The previous prime is 243458728333. The next prime is 243458728361. The reversal of 243458728344 is 443827854342.

243458728344 is a `hidden beast` number, since 2 + 4 + 3 + 4 + 587 + 28 + 34 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130051804 + ... + 130053675.

It is an arithmetic number, because the mean of its divisors is an integer number (14793499175).

Almost surely, 2^243458728344 is an apocalyptic number.

243458728344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243458728344 is an abundant number, since it is smaller than the sum of its proper divisors (466629232056).

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

243458728344 is a wasteful number, since it uses less digits than its factorization.

243458728344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260105504 (or 260105497 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 54.

The spelling of 243458728344 in words is "two hundred forty-three billion, four hundred fifty-eight million, seven hundred twenty-eight thousand, three hundred forty-four".