240534435043 has 4 divisors (see below), whose sum is σ = 274896497200. Its totient is φ = 206172372888.

The previous prime is 240534434993. The next prime is 240534435073. The reversal of 240534435043 is 340534435042.

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 240534435043 - 2¹³ = 240534426851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240534434993 and 240534435011.

It is not an unprimeable number, because it can be changed into a prime (240534435073) 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, 17181031068 + ... + 17181031081.

It is an arithmetic number, because the mean of its divisors is an integer number (68724124300).

Almost surely, 2^240534435043 is an apocalyptic number.

240534435043 is a deficient number, since it is larger than the sum of its proper divisors (34362062157).

240534435043 is an equidigital number, since it uses as much as digits as its factorization.

240534435043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34362062156.

The product of its (nonzero) digits is 345600, while the sum is 37.

Subtracting 240534435043 from its reverse (340534435042), we obtain a palindrome (99999999999).

The spelling of 240534435043 in words is "two hundred forty billion, five hundred thirty-four million, four hundred thirty-five thousand, forty-three".