5544240 has 80 divisors (see below), whose sum is σ = 18519648. Its totient is φ = 1363968.

The previous prime is 5544239. The next prime is 5544241. The reversal of 5544240 is 424455.

It is an interprime number because it is at equal distance from previous prime (5544239) and next prime (5544241).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5544240.

It is not an unprimeable number, because it can be changed into a prime (5544241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2232 + ... + 4008.

Almost surely, 2^5544240 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 5544240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9259824).

5544240 is an abundant number, since it is smaller than the sum of its proper divisors (12975408).

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

5544240 is a wasteful number, since it uses less digits than its factorization.

5544240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 5544240 is about 2354.6209886094. The cubic root of 5544240 is about 176.9894340783.

Adding to 5544240 its reverse (424455), we get a palindrome (5968695).

The spelling of 5544240 in words is "five million, five hundred forty-four thousand, two hundred forty".