240420224243 has 4 divisors (see below), whose sum is σ = 240441338088. Its totient is φ = 240399110400.

The previous prime is 240420224179. The next prime is 240420224273. The reversal of 240420224243 is 342422024042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240420224243 - 2⁶ = 240420224179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240420224273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10539833 + ... + 10562618.

It is an arithmetic number, because the mean of its divisors is an integer number (60110334522).

Almost surely, 2^240420224243 is an apocalyptic number.

240420224243 is a deficient number, since it is larger than the sum of its proper divisors (21113845).

240420224243 is a wasteful number, since it uses less digits than its factorization.

240420224243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21113844.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 240420224243 its reverse (342422024042), we get a palindrome (582842248285).

The spelling of 240420224243 in words is "two hundred forty billion, four hundred twenty million, two hundred twenty-four thousand, two hundred forty-three".