244420415 has 4 divisors (see below), whose sum is σ = 293304504. Its totient is φ = 195536328.

The previous prime is 244420403. The next prime is 244420417. The reversal of 244420415 is 514024442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244420415 - 2⁸ = 244420159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244420417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24442037 + ... + 24442046.

It is an arithmetic number, because the mean of its divisors is an integer number (73326126).

Almost surely, 2^244420415 is an apocalyptic number.

244420415 is a deficient number, since it is larger than the sum of its proper divisors (48884089).

244420415 is an equidigital number, since it uses as much as digits as its factorization.

244420415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48884088.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 244420415 is about 15633.9507163097. The cubic root of 244420415 is about 625.2386629857.

Adding to 244420415 its reverse (514024442), we get a palindrome (758444857).

The spelling of 244420415 in words is "two hundred forty-four million, four hundred twenty thousand, four hundred fifteen".