Adding to 5120440 its reverse (440215), we get a palindrome (5560655).
It is a congruent number.
Almost surely, 25120440 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5120440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6375600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5120440 is a wasteful number, since it uses less digits than its factorization.
5120440 is an evil number, because the sum of its binary digits is even.
The square root of 5120440 is about 2262.8389248906. The cubic root of 5120440 is about 172.3597123073.
The spelling of 5120440 in words is "five million, one hundred twenty thousand, four hundred forty".