504055430502 has 128 divisors (see below), whose sum is σ = 1126254108672. Its totient is φ = 149400720000.

The previous prime is 504055430447. The next prime is 504055430521. The reversal of 504055430502 is 205034550405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 209063677 + ... + 209066087.

It is an arithmetic number, because the mean of its divisors is an integer number (8798860224).

Almost surely, 2^504055430502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504055430502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563127054336).

504055430502 is an abundant number, since it is smaller than the sum of its proper divisors (622198678170).

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

504055430502 is a wasteful number, since it uses less digits than its factorization.

504055430502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306.

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 504055430502 its reverse (205034550405), we get a palindrome (709089980907).

The spelling of 504055430502 in words is "five hundred four billion, fifty-five million, four hundred thirty thousand, five hundred two".