5031440 has 40 divisors (see below), whose sum is σ = 11825880. Its totient is φ = 1990656.

The previous prime is 5031427. The next prime is 5031443. The reversal of 5031440 is 441305.

It can be written as a sum of positive squares in 4 ways, for example, as 2458624 + 2572816 = 1568^2 + 1604^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (5031443) 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, 8432 + ... + 9008.

It is an arithmetic number, because the mean of its divisors is an integer number (295647).

Almost surely, 2^5031440 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 5031440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5912940).

5031440 is an abundant number, since it is smaller than the sum of its proper divisors (6794440).

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

5031440 is a wasteful number, since it uses less digits than its factorization.

5031440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5031440 is about 2243.0871583601. The cubic root of 5031440 is about 171.3552570101.

Adding to 5031440 its reverse (441305), we get a palindrome (5472745).

The spelling of 5031440 in words is "five million, thirty-one thousand, four hundred forty".