240340434205 has 8 divisors (see below), whose sum is σ = 288542490552. Its totient is φ = 192183034368.

The previous prime is 240340434199. The next prime is 240340434211. The reversal of 240340434205 is 502434043042.

It is an interprime number because it is at equal distance from previous prime (240340434199) and next prime (240340434211).

It can be written as a sum of positive squares in 4 ways, for example, as 7193414596 + 233147019609 = 84814^2 + 482853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240340434205 - 2³ = 240340434197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11152284 + ... + 11173813.

It is an arithmetic number, because the mean of its divisors is an integer number (36067811319).

Almost surely, 2^240340434205 is an apocalyptic number.

It is an amenable number.

240340434205 is a deficient number, since it is larger than the sum of its proper divisors (48202056347).

240340434205 is a wasteful number, since it uses less digits than its factorization.

240340434205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22328255.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 240340434205 its reverse (502434043042), we get a palindrome (742774477247).

The spelling of 240340434205 in words is "two hundred forty billion, three hundred forty million, four hundred thirty-four thousand, two hundred five".