244320413 has 8 divisors (see below), whose sum is σ = 258832440. Its totient is φ = 229824000.

The previous prime is 244320359. The next prime is 244320431. The reversal of 244320413 is 314023442.

It can be written as a sum of positive squares in 4 ways, for example, as 21325924 + 222994489 = 4618^2 + 14933^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244320413 - 2¹⁰ = 244319389 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 (244320473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48623 + ... + 53411.

It is an arithmetic number, because the mean of its divisors is an integer number (32354055).

Almost surely, 2^244320413 is an apocalyptic number.

It is an amenable number.

244320413 is a deficient number, since it is larger than the sum of its proper divisors (14512027).

244320413 is a wasteful number, since it uses less digits than its factorization.

244320413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7807.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 244320413 is about 15630.7521572060. The cubic root of 244320413 is about 625.1533814489.

Adding to 244320413 its reverse (314023442), we get a palindrome (558343855).

The spelling of 244320413 in words is "two hundred forty-four million, three hundred twenty thousand, four hundred thirteen".