504440144423413 has 16 divisors (see below), whose sum is σ = 565628156682624. Its totient is φ = 445827140717760.

The previous prime is 504440144423401. The next prime is 504440144423437. The reversal of 504440144423413 is 314324441044405.

It is a cyclic number.

It is not a de Polignac number, because 504440144423413 - 2⁴⁵ = 469255772334581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504440144423413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504440144421413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500470945 + ... + 501477862.

It is an arithmetic number, because the mean of its divisors is an integer number (35351759792664).

Almost surely, 2^{504440144423413} is an apocalyptic number.

It is an amenable number.

504440144423413 is a deficient number, since it is larger than the sum of its proper divisors (61188012259211).

504440144423413 is a wasteful number, since it uses less digits than its factorization.

504440144423413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001950092.

The product of its (nonzero) digits is 1474560, while the sum is 43.

Adding to 504440144423413 its reverse (314324441044405), we get a palindrome (818764585467818).

The spelling of 504440144423413 in words is "five hundred four trillion, four hundred forty billion, one hundred forty-four million, four hundred twenty-three thousand, four hundred thirteen".