5440045 has 16 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 3979584.

The previous prime is 5440027. The next prime is 5440049. The reversal of 5440045 is 5400445.

It is a cyclic number.

It is not a de Polignac number, because 5440045 - 2⁵ = 5440013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5439998 and 5440025.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7926 + ... + 8584.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^5440045 is an apocalyptic number.

It is an amenable number.

5440045 is a deficient number, since it is larger than the sum of its proper divisors (1656275).

5440045 is a wasteful number, since it uses less digits than its factorization.

5440045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

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

The square root of 5440045 is about 2332.3904047136. The cubic root of 5440045 is about 175.8736718294.

It can be divided in two parts, 54400 and 45, that added together give a palindrome (54445).

The spelling of 5440045 in words is "five million, four hundred forty thousand, forty-five".