2440244 has 24 divisors (see below), whose sum is σ = 4432008. Its totient is φ = 1175040.

The previous prime is 2440241. The next prime is 2440247. The reversal of 2440244 is 4420442.

It is an interprime number because it is at equal distance from previous prime (2440241) and next prime (2440247).

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 2371600 = 262^2 + 1540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440241) 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, 17744 + ... + 17880.

It is an arithmetic number, because the mean of its divisors is an integer number (184667).

2^2440244 is an apocalyptic number.

It is an amenable number.

2440244 is a deficient number, since it is larger than the sum of its proper divisors (1991764).

2440244 is a wasteful number, since it uses less digits than its factorization.

2440244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2440244 is about 1562.1280357256. The cubic root of 2440244 is about 134.6307973394.

Adding to 2440244 its reverse (4420442), we get a palindrome (6860686).

The spelling of 2440244 in words is "two million, four hundred forty thousand, two hundred forty-four".