504320554044 has 36 divisors (see below), whose sum is σ = 1274889686616. Its totient is φ = 168096381408.

The previous prime is 504320554043. The next prime is 504320554061. The reversal of 504320554044 is 440455023405.

504320554044 is a `hidden beast` number, since 5 + 0 + 43 + 20 + 554 + 0 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504320554043) 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 11 ways as a sum of consecutive naturals, for example, 161002 + ... + 1017134.

It is an arithmetic number, because the mean of its divisors is an integer number (35413602406).

Almost surely, 2^504320554044 is an apocalyptic number.

It is an amenable number.

504320554044 is an abundant number, since it is smaller than the sum of its proper divisors (770569132572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504320554044 is a wasteful number, since it uses less digits than its factorization.

504320554044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872506 (or 872501 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 504320554044 its reverse (440455023405), we get a palindrome (944775577449).

The spelling of 504320554044 in words is "five hundred four billion, three hundred twenty million, five hundred fifty-four thousand, forty-four".