544540203506 has 16 divisors (see below), whose sum is σ = 917887166784. Its totient is φ = 240399019344.

The previous prime is 544540203497. The next prime is 544540203541. The reversal of 544540203506 is 605302045445.

It is a self number, because there is not a number n which added to its sum of digits gives 544540203506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455300576 + ... + 455301771.

It is an arithmetic number, because the mean of its divisors is an integer number (57367947924).

Almost surely, 2^544540203506 is an apocalyptic number.

544540203506 is a deficient number, since it is larger than the sum of its proper divisors (373346963278).

544540203506 is a wasteful number, since it uses less digits than its factorization.

544540203506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910602385.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 544540203506 in words is "five hundred forty-four billion, five hundred forty million, two hundred three thousand, five hundred six".