5440230 has 32 divisors (see below), whose sum is σ = 14508000. Its totient is φ = 1450656.

The previous prime is 5440229. The next prime is 5440241. The reversal of 5440230 is 320445.

It is a happy number.

It is a super-2 number, since 2×5440230² = 59192204905800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9805 + ... + 10344.

It is an arithmetic number, because the mean of its divisors is an integer number (453375).

Almost surely, 2^5440230 is an apocalyptic number.

5440230 is an abundant number, since it is smaller than the sum of its proper divisors (9067770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5440230 is a wasteful number, since it uses less digits than its factorization.

5440230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20165 (or 20159 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 5440230 is about 2332.4300632602. The cubic root of 5440230 is about 175.8756654564.

Adding to 5440230 its reverse (320445), we get a palindrome (5760675).

The spelling of 5440230 in words is "five million, four hundred forty thousand, two hundred thirty".