504050130440 has 64 divisors (see below), whose sum is σ = 1135827198000. Its totient is φ = 201315524608.

The previous prime is 504050130439. The next prime is 504050130443. The reversal of 504050130440 is 44031050405.

It can be written as a sum of positive squares in 8 ways, for example, as 14276904196 + 489773226244 = 119486^2 + 699838^2 .

It is not an unprimeable number, because it can be changed into a prime (504050130443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124485536 + ... + 124489584.

Almost surely, 2^504050130440 is an apocalyptic number.

It is an amenable number.

504050130440 is an abundant number, since it is smaller than the sum of its proper divisors (631777067560).

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

504050130440 is a wasteful number, since it uses less digits than its factorization.

504050130440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7994 (or 7990 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 504050130440 its reverse (44031050405), we get a palindrome (548081180845).

The spelling of 504050130440 in words is "five hundred four billion, fifty million, one hundred thirty thousand, four hundred forty".