544220400133 has 8 divisors (see below), whose sum is σ = 550095338520. Its totient is φ = 538350858240.

The previous prime is 544220400109. The next prime is 544220400193. The reversal of 544220400133 is 331004022445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 60852009124 + 483368391009 = 246682^2 + 695247^2 .

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 544220400133 - 2¹³ = 544220391941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544220400193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146178 + ... + 1549891.

It is an arithmetic number, because the mean of its divisors is an integer number (68761917315).

Almost surely, 2^544220400133 is an apocalyptic number.

It is an amenable number.

544220400133 is a deficient number, since it is larger than the sum of its proper divisors (5874938387).

544220400133 is a wasteful number, since it uses less digits than its factorization.

544220400133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698247.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 544220400133 its reverse (331004022445), we get a palindrome (875224422578).

The spelling of 544220400133 in words is "five hundred forty-four billion, two hundred twenty million, four hundred thousand, one hundred thirty-three".