244002442005521 has 16 divisors (see below), whose sum is σ = 257937185832960. Its totient is φ = 230347220772240.

The previous prime is 244002442005479. The next prime is 244002442005529. The reversal of 244002442005521 is 125500244200442.

It is a cyclic number.

It is not a de Polignac number, because 244002442005521 - 2¹⁸ = 244002441743377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244002442005529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22277585 + ... + 31373486.

It is an arithmetic number, because the mean of its divisors is an integer number (16121074114560).

Almost surely, 2^{244002442005521} is an apocalyptic number.

It is an amenable number.

244002442005521 is a deficient number, since it is larger than the sum of its proper divisors (13934743827439).

244002442005521 is a wasteful number, since it uses less digits than its factorization.

244002442005521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53653676.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 244002442005521 its reverse (125500244200442), we get a palindrome (369502686205963).

The spelling of 244002442005521 in words is "two hundred forty-four trillion, two billion, four hundred forty-two million, five thousand, five hundred twenty-one".