240344452243 has 4 divisors (see below), whose sum is σ = 274679374000. Its totient is φ = 206009530488.

The previous prime is 240344452241. The next prime is 240344452253. The reversal of 240344452243 is 342254443042.

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 240344452243 - 2¹ = 240344452241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240344452241) 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, 17167460868 + ... + 17167460881.

It is an arithmetic number, because the mean of its divisors is an integer number (68669843500).

Almost surely, 2^240344452243 is an apocalyptic number.

240344452243 is a deficient number, since it is larger than the sum of its proper divisors (34334921757).

240344452243 is an equidigital number, since it uses as much as digits as its factorization.

240344452243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34334921756.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 240344452243 its reverse (342254443042), we get a palindrome (582598895285).

The spelling of 240344452243 in words is "two hundred forty billion, three hundred forty-four million, four hundred fifty-two thousand, two hundred forty-three".