544404444 has 24 divisors (see below), whose sum is σ = 1282151808. Its totient is φ = 179771760.

The previous prime is 544404409. The next prime is 544404451. The reversal of 544404444 is 444404445.

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, 210712 + ... + 213279.

It is an arithmetic number, because the mean of its divisors is an integer number (53422992).

Almost surely, 2^544404444 is an apocalyptic number.

It is an amenable number.

544404444 is an abundant number, since it is smaller than the sum of its proper divisors (737747364).

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

544404444 is a wasteful number, since it uses less digits than its factorization.

544404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424105 (or 424103 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 33.

The square root of 544404444 is about 23332.4761652080. The cubic root of 544404444 is about 816.5332743028.

Adding to 544404444 its reverse (444404445), we get a palindrome (988808889).

Subtracting from 544404444 its reverse (444404445), we obtain a palindrome (99999999).

The spelling of 544404444 in words is "five hundred forty-four million, four hundred four thousand, four hundred forty-four".