244412405 has 4 divisors (see below), whose sum is σ = 293294892. Its totient is φ = 195529920.

The previous prime is 244412393. The next prime is 244412411. The reversal of 244412405 is 504214442.

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 40436881 + 203975524 = 6359^2 + 14282^2 .

It is not a de Polignac number, because 244412405 - 2²⁰ = 243363829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24441236 + ... + 24441245.

It is an arithmetic number, because the mean of its divisors is an integer number (73323723).

Almost surely, 2^244412405 is an apocalyptic number.

It is an amenable number.

244412405 is a deficient number, since it is larger than the sum of its proper divisors (48882487).

244412405 is an equidigital number, since it uses as much as digits as its factorization.

244412405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48882486.

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

The square root of 244412405 is about 15633.6945409586. The cubic root of 244412405 is about 625.2318329283.

Adding to 244412405 its reverse (504214442), we get a palindrome (748626847).

The spelling of 244412405 in words is "two hundred forty-four million, four hundred twelve thousand, four hundred five".