4244543542405 has 16 divisors (see below), whose sum is σ = 5097466644480. Its totient is φ = 3392959010688.

The previous prime is 4244543542397. The next prime is 4244543542427. The reversal of 4244543542405 is 5042453454424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4244543542405 - 2³ = 4244543542397 is a prime.

It is a super-2 number, since 2×4244543542405² (a number of 26 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 112321144 + ... + 112358926.

It is an arithmetic number, because the mean of its divisors is an integer number (318591665280).

Almost surely, 2^{4244543542405} is an apocalyptic number.

It is an amenable number.

4244543542405 is a deficient number, since it is larger than the sum of its proper divisors (852923102075).

4244543542405 is a wasteful number, since it uses less digits than its factorization.

4244543542405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54900.

The product of its (nonzero) digits is 6144000, while the sum is 46.

Adding to 4244543542405 its reverse (5042453454424), we get a palindrome (9286996996829).

The spelling of 4244543542405 in words is "four trillion, two hundred forty-four billion, five hundred forty-three million, five hundred forty-two thousand, four hundred five".