544340321 has 8 divisors (see below), whose sum is σ = 623543424. Its totient is φ = 465497280.

The previous prime is 544340309. The next prime is 544340339. The reversal of 544340321 is 123043445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 544340321 - 2¹⁰ = 544339297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (544340371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86765 + ... + 92826.

It is an arithmetic number, because the mean of its divisors is an integer number (77942928).

Almost surely, 2^544340321 is an apocalyptic number.

It is an amenable number.

544340321 is a deficient number, since it is larger than the sum of its proper divisors (79203103).

544340321 is a wasteful number, since it uses less digits than its factorization.

544340321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180031.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 544340321 is about 23331.1020099780. The cubic root of 544340321 is about 816.5012144255.

Adding to 544340321 its reverse (123043445), we get a palindrome (667383766).

The spelling of 544340321 in words is "five hundred forty-four million, three hundred forty thousand, three hundred twenty-one".