500500004992 has 64 divisors (see below), whose sum is σ = 1083292038360. Its totient is φ = 228955668480.

The previous prime is 500500004959. The next prime is 500500005001. The reversal of 500500004992 is 299400005005.

It can be written as a sum of positive squares in 4 ways, for example, as 298841528896 + 201658476096 = 546664^2 + 449064^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142859 + ... + 1518922.

Almost surely, 2^500500004992 is an apocalyptic number.

500500004992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

500500004992 is an abundant number, since it is smaller than the sum of its proper divisors (582792033368).

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

500500004992 is a wasteful number, since it uses less digits than its factorization.

500500004992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661921 (or 2661909 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

Adding to 500500004992 its reverse (299400005005), we get a palindrome (799900009997).

The spelling of 500500004992 in words is "five hundred billion, five hundred million, four thousand, nine hundred ninety-two".