243440677034 has 8 divisors (see below), whose sum is σ = 369263948580. Its totient is φ = 120352694176.

The previous prime is 243440677027. The next prime is 243440677043. The reversal of 243440677034 is 430776044342.

243440677034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 242945481025 + 495196009 = 492895^2 + 22253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683821949 + ... + 683822304.

Almost surely, 2^243440677034 is an apocalyptic number.

243440677034 is a deficient number, since it is larger than the sum of its proper divisors (125823271546).

243440677034 is a wasteful number, since it uses less digits than its factorization.

243440677034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367644344.

The product of its (nonzero) digits is 1354752, while the sum is 44.

The spelling of 243440677034 in words is "two hundred forty-three billion, four hundred forty million, six hundred seventy-seven thousand, thirty-four".