5440247453 has 4 divisors (see below), whose sum is σ = 5440586208. Its totient is φ = 5439908700.

The previous prime is 5440247437. The next prime is 5440247471. The reversal of 5440247453 is 3547420445.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5440247453 - 2⁴ = 5440247437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440247353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144023 + ... + 177828.

It is an arithmetic number, because the mean of its divisors is an integer number (1360146552).

Almost surely, 2^5440247453 is an apocalyptic number.

It is an amenable number.

5440247453 is a deficient number, since it is larger than the sum of its proper divisors (338755).

5440247453 is a wasteful number, since it uses less digits than its factorization.

5440247453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338754.

The product of its (nonzero) digits is 268800, while the sum is 38.

The square root of 5440247453 is about 73758.0331421602. The cubic root of 5440247453 is about 1758.7585353387.

Adding to 5440247453 its reverse (3547420445), we get a palindrome (8987667898).

The spelling of 5440247453 in words is "five billion, four hundred forty million, two hundred forty-seven thousand, four hundred fifty-three".