243334220240 has 40 divisors (see below), whose sum is σ = 566126765568. Its totient is φ = 97269223040.

The previous prime is 243334220189. The next prime is 243334220267. The reversal of 243334220240 is 42022433342.

It is a happy number.

243334220240 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 885632 + ... + 1127391.

Almost surely, 2^243334220240 is an apocalyptic number.

243334220240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243334220240 is an abundant number, since it is smaller than the sum of its proper divisors (322792545328).

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

243334220240 is a wasteful number, since it uses less digits than its factorization.

243334220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014547 (or 2014541 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 243334220240 its reverse (42022433342), we get a palindrome (285356653582).

The spelling of 243334220240 in words is "two hundred forty-three billion, three hundred thirty-four million, two hundred twenty thousand, two hundred forty".