5444240 has 20 divisors (see below), whose sum is σ = 12658044. Its totient is φ = 2177664.

The previous prime is 5444237. The next prime is 5444249. The reversal of 5444240 is 424445.

It can be written as a sum of positive squares in 2 ways, for example, as 1507984 + 3936256 = 1228^2 + 1984^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444249) 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, 33947 + ... + 34106.

Almost surely, 2^5444240 is an apocalyptic number.

It is an amenable number.

5444240 is an abundant number, since it is smaller than the sum of its proper divisors (7213804).

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

5444240 is a wasteful number, since it uses less digits than its factorization.

5444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68066 (or 68060 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 5444240 is about 2333.2895233982. The cubic root of 5444240 is about 175.9188675640.

Adding to 5444240 its reverse (424445), we get a palindrome (5868685).

The spelling of 5444240 in words is "five million, four hundred forty-four thousand, two hundred forty".