504442112404420 has 12 divisors (see below), whose sum is σ = 1059328436049324. Its totient is φ = 201776844961760.

The previous prime is 504442112404381. The next prime is 504442112404463. The reversal of 504442112404420 is 24404211244405.

It can be written as a sum of positive squares in 2 ways, for example, as 65030547479104 + 439411564925316 = 8064152^2 + 20962146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 504442112404420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12611052810091 + ... + 12611052810130.

It is an arithmetic number, because the mean of its divisors is an integer number (88277369670777).

Almost surely, 2^{504442112404420} is an apocalyptic number.

It is an amenable number.

504442112404420 is an abundant number, since it is smaller than the sum of its proper divisors (554886323644904).

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

504442112404420 is a wasteful number, since it uses less digits than its factorization.

504442112404420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25222105620230 (or 25222105620228 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 37.

Adding to 504442112404420 its reverse (24404211244405), we get a palindrome (528846323648825).

The spelling of 504442112404420 in words is "five hundred four trillion, four hundred forty-two billion, one hundred twelve million, four hundred four thousand, four hundred twenty".