544433421 has 16 divisors (see below), whose sum is σ = 830404224. Its totient is φ = 310808064.

The previous prime is 544433387. The next prime is 544433431. The reversal of 544433421 is 124334445.

It is not a de Polignac number, because 544433421 - 2⁷ = 544433293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544433431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11221 + ... + 34853.

It is an arithmetic number, because the mean of its divisors is an integer number (51900264).

Almost surely, 2^544433421 is an apocalyptic number.

It is an amenable number.

544433421 is a deficient number, since it is larger than the sum of its proper divisors (285970803).

544433421 is a wasteful number, since it uses less digits than its factorization.

544433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24740.

The product of its digits is 23040, while the sum is 30.

The square root of 544433421 is about 23333.0971154710. The cubic root of 544433421 is about 816.5477612436.

Adding to 544433421 its reverse (124334445), we get a palindrome (668767866).

The spelling of 544433421 in words is "five hundred forty-four million, four hundred thirty-three thousand, four hundred twenty-one".