240313213440305 has 4 divisors (see below), whose sum is σ = 288375856128372. Its totient is φ = 192250570752240.

The previous prime is 240313213440283. The next prime is 240313213440343. The reversal of 240313213440305 is 503044312313042.

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

It can be written as a sum of positive squares in 2 ways, for example, as 133525212306721 + 106788001133584 = 11555311^2 + 10333828^2 .

It is not a de Polignac number, because 240313213440305 - 2¹⁸ = 240313213178161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24031321344026 + ... + 24031321344035.

It is an arithmetic number, because the mean of its divisors is an integer number (72093964032093).

Almost surely, 2^{240313213440305} is an apocalyptic number.

It is an amenable number.

240313213440305 is a deficient number, since it is larger than the sum of its proper divisors (48062642688067).

240313213440305 is an equidigital number, since it uses as much as digits as its factorization.

240313213440305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48062642688066.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 240313213440305 its reverse (503044312313042), we get a palindrome (743357525753347).

The spelling of 240313213440305 in words is "two hundred forty trillion, three hundred thirteen billion, two hundred thirteen million, four hundred forty thousand, three hundred five".