244535020405 has 16 divisors (see below), whose sum is σ = 334603576944. Its totient is φ = 169957370880.

The previous prime is 244535020381. The next prime is 244535020409. The reversal of 244535020405 is 504020535442.

It can be written as a sum of positive squares in 8 ways, for example, as 11121389764 + 233413630641 = 105458^2 + 483129^2 .

It is not a de Polignac number, because 244535020405 - 2¹³ = 244535012213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244535020409) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 110648226 + ... + 110650435.

It is an arithmetic number, because the mean of its divisors is an integer number (20912723559).

Almost surely, 2^244535020405 is an apocalyptic number.

It is an amenable number.

244535020405 is a deficient number, since it is larger than the sum of its proper divisors (90068556539).

244535020405 is a wasteful number, since it uses less digits than its factorization.

244535020405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221298696.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 244535020405 its reverse (504020535442), we get a palindrome (748555555847).

The spelling of 244535020405 in words is "two hundred forty-four billion, five hundred thirty-five million, twenty thousand, four hundred five".