544444440342 has 64 divisors (see below), whose sum is σ = 1228544409600. Its totient is φ = 159355533600.

The previous prime is 544444440259. The next prime is 544444440343. The reversal of 544444440342 is 243044444445.

It is a junction number, because it is equal to n+sod(n) for n = 544444440294 and 544444440303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544444440343) 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, 815659 + ... + 1324457.

It is an arithmetic number, because the mean of its divisors is an integer number (19196006400).

Almost surely, 2^544444440342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544444440342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614272204800).

544444440342 is an abundant number, since it is smaller than the sum of its proper divisors (684099969258).

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

544444440342 is a wasteful number, since it uses less digits than its factorization.

544444440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509369.

The product of its (nonzero) digits is 1966080, while the sum is 42.

Adding to 544444440342 its reverse (243044444445), we get a palindrome (787488884787).

It can be divided in two parts, 5444444403 and 42, that added together give a palindrome (5444444445).

The spelling of 544444440342 in words is "five hundred forty-four billion, four hundred forty-four million, four hundred forty thousand, three hundred forty-two".