244240436 has 36 divisors (see below), whose sum is σ = 486037860. Its totient is φ = 107184000.

The previous prime is 244240379. The next prime is 244240439. The reversal of 244240436 is 634042442.

It can be written as a sum of positive squares in 2 ways, for example, as 135955600 + 108284836 = 11660^2 + 10406^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 244240399 and 244240408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244240439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5336 + ... + 22736.

Almost surely, 2^244240436 is an apocalyptic number.

It is an amenable number.

244240436 is a deficient number, since it is larger than the sum of its proper divisors (241797424).

244240436 is a wasteful number, since it uses less digits than its factorization.

244240436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17456 (or 17443 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 244240436 is about 15628.1936256242. The cubic root of 244240436 is about 625.0851604491.

Adding to 244240436 its reverse (634042442), we get a palindrome (878282878).

The spelling of 244240436 in words is "two hundred forty-four million, two hundred forty thousand, four hundred thirty-six".