5440445 has 4 divisors (see below), whose sum is σ = 6528540. Its totient is φ = 4352352.

The previous prime is 5440427. The next prime is 5440447.

5440445 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1331716 + 4108729 = 1154^2 + 2027^2 .

It is a cyclic number.

It is not a de Polignac number, because 5440445 - 2⁶ = 5440381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544040 + ... + 544049.

It is an arithmetic number, because the mean of its divisors is an integer number (1632135).

Almost surely, 2^5440445 is an apocalyptic number.

It is an amenable number.

5440445 is a deficient number, since it is larger than the sum of its proper divisors (1088095).

5440445 is a wasteful number, since it uses less digits than its factorization.

5440445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088094.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 5440445 is about 2332.4761520753. The cubic root of 5440445 is about 175.8779823173.

It can be divided in two parts, 5440 and 445, that added together give a palindrome (5885).

The spelling of 5440445 in words is "five million, four hundred forty thousand, four hundred forty-five".