240342200305 has 8 divisors (see below), whose sum is σ = 288413485992. Its totient is φ = 192271863168.

The previous prime is 240342200303. The next prime is 240342200317. The reversal of 240342200305 is 503002243042.

It can be written as a sum of positive squares in 4 ways, for example, as 108477350881 + 131864849424 = 329359^2 + 363132^2 .

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 240342200305 - 2¹ = 240342200303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240342200305.

It is not an unprimeable number, because it can be changed into a prime (240342200303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570139 + ... + 897631.

It is an arithmetic number, because the mean of its divisors is an integer number (36051685749).

Almost surely, 2^240342200305 is an apocalyptic number.

It is an amenable number.

240342200305 is a deficient number, since it is larger than the sum of its proper divisors (48071285687).

240342200305 is a wasteful number, since it uses less digits than its factorization.

240342200305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474275.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 240342200305 its reverse (503002243042), we get a palindrome (743344443347).

The spelling of 240342200305 in words is "two hundred forty billion, three hundred forty-two million, two hundred thousand, three hundred five".