5440203443503 has 4 divisors (see below), whose sum is σ = 5451852701880. Its totient is φ = 5428554185128.

The previous prime is 5440203443447. The next prime is 5440203443509. The reversal of 5440203443503 is 3053443020445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5440203443503 is a prime.

It is a super-2 number, since 2×5440203443503² (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 (5440203443509) 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 3 ways as a sum of consecutive naturals, for example, 5824628488 + ... + 5824629421.

It is an arithmetic number, because the mean of its divisors is an integer number (1362963175470).

Almost surely, 2^{5440203443503} is an apocalyptic number.

5440203443503 is a deficient number, since it is larger than the sum of its proper divisors (11649258377).

5440203443503 is a wasteful number, since it uses less digits than its factorization.

5440203443503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11649258376.

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 5440203443503 its reverse (3053443020445), we get a palindrome (8493646463948).

The spelling of 5440203443503 in words is "five trillion, four hundred forty billion, two hundred three million, four hundred forty-three thousand, five hundred three".