2440404344423 has 16 divisors (see below), whose sum is σ = 2599983012480. Its totient is φ = 2283943306464.

The previous prime is 2440404344419. The next prime is 2440404344449. The reversal of 2440404344423 is 3244434040442.

It is a cyclic number.

It is not a de Polignac number, because 2440404344423 - 2² = 2440404344419 is a prime.

It is a super-2 number, since 2×2440404344423² (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 (2440404344453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25757165 + ... + 25851737.

It is an arithmetic number, because the mean of its divisors is an integer number (162498938280).

Almost surely, 2^{2440404344423} is an apocalyptic number.

2440404344423 is a deficient number, since it is larger than the sum of its proper divisors (159578668057).

2440404344423 is a wasteful number, since it uses less digits than its factorization.

2440404344423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111038.

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 2440404344423 its reverse (3244434040442), we get a palindrome (5684838384865).

The spelling of 2440404344423 in words is "two trillion, four hundred forty billion, four hundred four million, three hundred forty-four thousand, four hundred twenty-three".