504020004051 has 8 divisors (see below), whose sum is σ = 672185974720. Its totient is φ = 335933684712.

The previous prime is 504020004043. The next prime is 504020004113. The reversal of 504020004051 is 150400020405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 504020004051 - 2³ = 504020004043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504020004001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19898065 + ... + 19923378.

It is an arithmetic number, because the mean of its divisors is an integer number (84023246840).

Almost surely, 2^504020004051 is an apocalyptic number.

504020004051 is a deficient number, since it is larger than the sum of its proper divisors (168165970669).

504020004051 is a wasteful number, since it uses less digits than its factorization.

504020004051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39825665.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 504020004051 its reverse (150400020405), we get a palindrome (654420024456).

The spelling of 504020004051 in words is "five hundred four billion, twenty million, four thousand, fifty-one".