544220505441 has 36 divisors (see below), whose sum is σ = 801809177988. Its totient is φ = 355636852992.

The previous prime is 544220505373. The next prime is 544220505457. The reversal of 544220505441 is 144505022445.

544220505441 is a `hidden beast` number, since 5 + 4 + 4 + 2 + 205 + 0 + 5 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 365304195216 + 178916310225 = 604404^2 + 422985^2 .

It is not a de Polignac number, because 544220505441 - 2¹⁸ = 544220243297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544220505396 and 544220505405.

It is not an unprimeable number, because it can be changed into a prime (544220505041) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17440245 + ... + 17471421.

Almost surely, 2^544220505441 is an apocalyptic number.

It is an amenable number.

544220505441 is a deficient number, since it is larger than the sum of its proper divisors (257588672547).

544220505441 is a wasteful number, since it uses less digits than its factorization.

544220505441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31582 (or 31416 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 544220505441 its reverse (144505022445), we get a palindrome (688725527886).

The spelling of 544220505441 in words is "five hundred forty-four billion, two hundred twenty million, five hundred five thousand, four hundred forty-one".