544143405405 has 32 divisors (see below), whose sum is σ = 873309340800. Its totient is φ = 289316851712.

The previous prime is 544143405401. The next prime is 544143405437. The reversal of 544143405405 is 504504341445.

It is a cyclic number.

It is not a de Polignac number, because 544143405405 - 2² = 544143405401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544143405401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51675181 + ... + 51685709.

It is an arithmetic number, because the mean of its divisors is an integer number (27290916900).

Almost surely, 2^544143405405 is an apocalyptic number.

It is an amenable number.

544143405405 is a deficient number, since it is larger than the sum of its proper divisors (329165935395).

544143405405 is a wasteful number, since it uses less digits than its factorization.

544143405405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813.

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 544143405405 in words is "five hundred forty-four billion, one hundred forty-three million, four hundred five thousand, four hundred five".