4240440213231 has 4 divisors (see below), whose sum is σ = 5653920284312. Its totient is φ = 2826960142152.

The previous prime is 4240440213199. The next prime is 4240440213241. The reversal of 4240440213231 is 1323120440424.

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

It is not a de Polignac number, because 4240440213231 - 2⁵ = 4240440213199 is a prime.

It is a super-2 number, since 2×4240440213231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240440213241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706740035536 + ... + 706740035541.

It is an arithmetic number, because the mean of its divisors is an integer number (1413480071078).

Almost surely, 2^{4240440213231} is an apocalyptic number.

4240440213231 is a deficient number, since it is larger than the sum of its proper divisors (1413480071081).

4240440213231 is a wasteful number, since it uses less digits than its factorization.

4240440213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413480071080.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 4240440213231 its reverse (1323120440424), we get a palindrome (5563560653655).

The spelling of 4240440213231 in words is "four trillion, two hundred forty billion, four hundred forty million, two hundred thirteen thousand, two hundred thirty-one".