544040443420413 has 16 divisors (see below), whose sum is σ = 727198584274752. Its totient is φ = 361787971680000.

The previous prime is 544040443420367. The next prime is 544040443420429. The reversal of 544040443420413 is 314024344040445.

It is not a de Polignac number, because 544040443420413 - 2¹⁸ = 544040443158269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544040443420483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517800978 + ... + 518850588.

It is an arithmetic number, because the mean of its divisors is an integer number (45449911517172).

Almost surely, 2^{544040443420413} is an apocalyptic number.

It is an amenable number.

544040443420413 is a deficient number, since it is larger than the sum of its proper divisors (183158140854339).

544040443420413 is a wasteful number, since it uses less digits than its factorization.

544040443420413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480876.

The product of its (nonzero) digits is 1474560, while the sum is 42.

Adding to 544040443420413 its reverse (314024344040445), we get a palindrome (858064787460858).

The spelling of 544040443420413 in words is "five hundred forty-four trillion, forty billion, four hundred forty-three million, four hundred twenty thousand, four hundred thirteen".