5440231 has 4 divisors (see below), whose sum is σ = 5566792. Its totient is φ = 5313672.

The previous prime is 5440229. The next prime is 5440241. The reversal of 5440231 is 1320445.

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

It is a cyclic number.

It is not a de Polignac number, because 5440231 - 2¹ = 5440229 is a prime.

It is a super-2 number, since 2×5440231² = 59192226666722, which contains 22 as substring.

It is a Duffinian number.

5440231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5440199 and 5440208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63216 + ... + 63301.

It is an arithmetic number, because the mean of its divisors is an integer number (1391698).

Almost surely, 2^5440231 is an apocalyptic number.

5440231 is a deficient number, since it is larger than the sum of its proper divisors (126561).

5440231 is a wasteful number, since it uses less digits than its factorization.

5440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126560.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5440231 is about 2332.4302776289. The cubic root of 5440231 is about 175.8756762326.

Adding to 5440231 its reverse (1320445), we get a palindrome (6760676).

It can be divided in two parts, 5440 and 231, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 5440231 in words is "five million, four hundred forty thousand, two hundred thirty-one".