544020231 has 8 divisors (see below), whose sum is σ = 725915520. Its totient is φ = 362402552.

The previous prime is 544020203. The next prime is 544020241. The reversal of 544020231 is 132020445.

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 544020231 - 2⁶ = 544020167 is a prime.

It is a super-2 number, since 2×544020231² = 591916023474586722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 544020198 and 544020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544020241) 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 7 ways as a sum of consecutive naturals, for example, 64785 + ... + 72698.

It is an arithmetic number, because the mean of its divisors is an integer number (90739440).

Almost surely, 2^544020231 is an apocalyptic number.

544020231 is a deficient number, since it is larger than the sum of its proper divisors (181895289).

544020231 is a wasteful number, since it uses less digits than its factorization.

544020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138805.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 544020231 is about 23324.2412738335. The cubic root of 544020231 is about 816.3411398615.

Adding to 544020231 its reverse (132020445), we get a palindrome (676040676).

The spelling of 544020231 in words is "five hundred forty-four million, twenty thousand, two hundred thirty-one".