5440540 has 24 divisors (see below), whose sum is σ = 13057632. Its totient is φ = 1865280.

The previous prime is 5440537. The next prime is 5440543. The reversal of 5440540 is 450445.

It is an interprime number because it is at equal distance from previous prime (5440537) and next prime (5440543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440543) 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, 19291 + ... + 19570.

It is an arithmetic number, because the mean of its divisors is an integer number (544068).

Almost surely, 2^5440540 is an apocalyptic number.

It is an amenable number.

5440540 is an abundant number, since it is smaller than the sum of its proper divisors (7617092).

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

5440540 is a wasteful number, since it uses less digits than its factorization.

5440540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38877 (or 38875 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 5440540 is about 2332.4965166105. The cubic root of 5440540 is about 175.8790060272.

Adding to 5440540 its reverse (450445), we get a palindrome (5890985).

It can be divided in two parts, 54405 and 40, that added together give a palindrome (54445).

The spelling of 5440540 in words is "five million, four hundred forty thousand, five hundred forty".