244230520405 has 4 divisors (see below), whose sum is σ = 293076624492. Its totient is φ = 195384416320.

The previous prime is 244230520393. The next prime is 244230520427. The reversal of 244230520405 is 504025032442.

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 113931901444 + 130298618961 = 337538^2 + 360969^2 .

It is not a de Polignac number, because 244230520405 - 2⁷ = 244230520277 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24423052036 + ... + 24423052045.

It is an arithmetic number, because the mean of its divisors is an integer number (73269156123).

Almost surely, 2^244230520405 is an apocalyptic number.

It is an amenable number.

244230520405 is a deficient number, since it is larger than the sum of its proper divisors (48846104087).

244230520405 is an equidigital number, since it uses as much as digits as its factorization.

244230520405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48846104086.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 244230520405 its reverse (504025032442), we get a palindrome (748255552847).

The spelling of 244230520405 in words is "two hundred forty-four billion, two hundred thirty million, five hundred twenty thousand, four hundred five".