244115405 has 4 divisors (see below), whose sum is σ = 292938492. Its totient is φ = 195292320.

The previous prime is 244115387. The next prime is 244115411. The reversal of 244115405 is 504511442.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32296489 + 211818916 = 5683^2 + 14554^2 .

It is not a de Polignac number, because 244115405 - 2⁸ = 244115149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 24411536 + ... + 24411545.

It is an arithmetic number, because the mean of its divisors is an integer number (73234623).

Almost surely, 2^244115405 is an apocalyptic number.

It is an amenable number.

244115405 is a deficient number, since it is larger than the sum of its proper divisors (48823087).

244115405 is an equidigital number, since it uses as much as digits as its factorization.

244115405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48823086.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 244115405 is about 15624.1929391569. The cubic root of 244115405 is about 624.9784781922.

Adding to 244115405 its reverse (504511442), we get a palindrome (748626847).

The spelling of 244115405 in words is "two hundred forty-four million, one hundred fifteen thousand, four hundred five".