500523600640 has 720 divisors, whose sum is σ = 1494700901568. Its totient is φ = 160229228544.

The previous prime is 500523600557. The next prime is 500523600667. The reversal of 500523600640 is 46006325005.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5160037072 + ... + 5160037168.

Almost surely, 2^500523600640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500523600640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747350450784).

500523600640 is an abundant number, since it is smaller than the sum of its proper divisors (994177300928).

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

500523600640 is an frugal number, since it uses more digits than its factorization.

500523600640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 500523600640 its reverse (46006325005), we get a palindrome (546529925645).

The spelling of 500523600640 in words is "five hundred billion, five hundred twenty-three million, six hundred thousand, six hundred forty".