544444242444444 has 24 divisors (see below), whose sum is σ = 1314175757625360. Its totient is φ = 175223434349824.

The previous prime is 544444242444419. The next prime is 544444242444451. The reversal of 544444242444444 is 444444242444445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782247474429 + ... + 782247475124.

It is an arithmetic number, because the mean of its divisors is an integer number (54757323234390).

Almost surely, 2^{544444242444444} is an apocalyptic number.

It is an amenable number.

544444242444444 is an abundant number, since it is smaller than the sum of its proper divisors (769731515180916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544444242444444 is a wasteful number, since it uses less digits than its factorization.

544444242444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564494949589 (or 1564494949587 counting only the distinct ones).

The product of its digits is 335544320, while the sum is 57.

Adding to 544444242444444 its reverse (444444242444445), we get a palindrome (988888484888889).

Subtracting from 544444242444444 its reverse (444444242444445), we obtain a palindrome (99999999999999).

The spelling of 544444242444444 in words is "five hundred forty-four trillion, four hundred forty-four billion, two hundred forty-two million, four hundred forty-four thousand, four hundred forty-four".