5440443430 has 16 divisors (see below), whose sum is σ = 9828156240. Its totient is φ = 2168320032.

The previous prime is 5440443419. The next prime is 5440443439. The reversal of 5440443430 is 343440445.

It is a junction number, because it is equal to n+sod(n) for n = 5440443392 and 5440443401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440443439) 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, 979260 + ... + 984799.

It is an arithmetic number, because the mean of its divisors is an integer number (614259765).

Almost surely, 2^5440443430 is an apocalyptic number.

5440443430 is a deficient number, since it is larger than the sum of its proper divisors (4387712810).

5440443430 is a wasteful number, since it uses less digits than its factorization.

5440443430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964343.

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 5440443430 is about 73759.3616431162. The cubic root of 5440443430 is about 1758.7796539909.

Adding to 5440443430 its reverse (343440445), we get a palindrome (5783883875).

The spelling of 5440443430 in words is "five billion, four hundred forty million, four hundred forty-three thousand, four hundred thirty".