243413004020240 has 20 divisors (see below), whose sum is σ = 565935234347244. Its totient is φ = 97365201608064.

The previous prime is 243413004020231. The next prime is 243413004020267. The reversal of 243413004020240 is 42020400314342.

It can be written as a sum of positive squares in 2 ways, for example, as 130428094342144 + 112984909678096 = 11420512^2 + 10629436^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 1521331275047 + ... + 1521331275206.

Almost surely, 2^{243413004020240} is an apocalyptic number.

243413004020240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243413004020240 is an abundant number, since it is smaller than the sum of its proper divisors (322522230327004).

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

243413004020240 is a wasteful number, since it uses less digits than its factorization.

243413004020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042662550266 (or 3042662550260 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 243413004020240 its reverse (42020400314342), we get a palindrome (285433404334582).

The spelling of 243413004020240 in words is "two hundred forty-three trillion, four hundred thirteen billion, four million, twenty thousand, two hundred forty".