5409144 has 48 divisors (see below), whose sum is σ = 15779400. Its totient is φ = 1664064.

The previous prime is 5409137. The next prime is 5409149. The reversal of 5409144 is 4419045.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5409149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1954 + ... + 3825.

Almost surely, 2^5409144 is an apocalyptic number.

It is an amenable number.

5409144 is an abundant number, since it is smaller than the sum of its proper divisors (10370256).

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

5409144 is a wasteful number, since it uses less digits than its factorization.

5409144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5804 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5409144 is about 2325.7566510708. The cubic root of 5409144 is about 175.5400351843.

Subtracting from 5409144 its reverse (4419045), we obtain a palindrome (990099).

The spelling of 5409144 in words is "five million, four hundred nine thousand, one hundred forty-four".