5440043 has 8 divisors (see below), whose sum is σ = 6263040. Its totient is φ = 4628520.

The previous prime is 5440027. The next prime is 5440049. The reversal of 5440043 is 3400445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5440043 - 2⁴ = 5440027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5439997 and 5440024.

It is not an unprimeable number, because it can be changed into a prime (5440049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (782880).

Almost surely, 2^5440043 is an apocalyptic number.

5440043 is a deficient number, since it is larger than the sum of its proper divisors (822997).

5440043 is a wasteful number, since it uses less digits than its factorization.

5440043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 5440043 is about 2332.3899759689. The cubic root of 5440043 is about 175.8736502765.

Adding to 5440043 its reverse (3400445), we get a palindrome (8840488).

The spelling of 5440043 in words is "five million, four hundred forty thousand, forty-three".