504440144541004 has 48 divisors (see below), whose sum is σ = 1013958197683200. Its totient is φ = 215100527590080.

The previous prime is 504440144540971. The next prime is 504440144541019. The reversal of 504440144541004 is 400145441044405.

It is an unprimeable number.

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, 885557409 + ... + 886126855.

It is an arithmetic number, because the mean of its divisors is an integer number (21124129118400).

Almost surely, 2^{504440144541004} is an apocalyptic number.

It is an amenable number.

504440144541004 is an abundant number, since it is smaller than the sum of its proper divisors (509518053142196).

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

504440144541004 is a wasteful number, since it uses less digits than its factorization.

504440144541004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728638 (or 728636 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

Adding to 504440144541004 its reverse (400145441044405), we get a palindrome (904585585585409).

The spelling of 504440144541004 in words is "five hundred four trillion, four hundred forty billion, one hundred forty-four million, five hundred forty-one thousand, four".