544140505533 has 16 divisors (see below), whose sum is σ = 726205620800. Its totient is φ = 362417984640.

The previous prime is 544140505477. The next prime is 544140505543. The reversal of 544140505533 is 335505041445.

It is a happy number.

It is not a de Polignac number, because 544140505533 - 2²⁹ = 543603634621 is a prime.

It is a super-2 number, since 2×544140505533² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 544140505491 and 544140505500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544140505543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23433633 + ... + 23456841.

It is an arithmetic number, because the mean of its divisors is an integer number (45387851300).

Almost surely, 2^544140505533 is an apocalyptic number.

It is an amenable number.

544140505533 is a deficient number, since it is larger than the sum of its proper divisors (182065115267).

544140505533 is a wasteful number, since it uses less digits than its factorization.

544140505533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30252.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 544140505533 its reverse (335505041445), we get a palindrome (879645546978).

The spelling of 544140505533 in words is "five hundred forty-four billion, one hundred forty million, five hundred five thousand, five hundred thirty-three".