2440544 has 24 divisors (see below), whose sum is σ = 4898880. Its totient is φ = 1196416.

The previous prime is 2440541. The next prime is 2440561. The reversal of 2440544 is 4450442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440541) 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, 977 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^2440544 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 2440544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2449440).

2440544 is an abundant number, since it is smaller than the sum of its proper divisors (2458336).

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

2440544 is a wasteful number, since it uses less digits than its factorization.

2440544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1494 counting only the distinct ones).

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

The square root of 2440544 is about 1562.2240556335. The cubic root of 2440544 is about 134.6363142172.

Adding to 2440544 its reverse (4450442), we get a palindrome (6890986).

The spelling of 2440544 in words is "two million, four hundred forty thousand, five hundred forty-four".