505000500004 has 96 divisors (see below), whose sum is σ = 1187935854336. Its totient is φ = 181410209280.

The previous prime is 505000499953. The next prime is 505000500007. The reversal of 505000500004 is 400005000505.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (505000500007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3439602 + ... + 3583414.

It is an arithmetic number, because the mean of its divisors is an integer number (12374331816).

Almost surely, 2^505000500004 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 505000500004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593967927168).

505000500004 is an abundant number, since it is smaller than the sum of its proper divisors (682935354332).

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

505000500004 is a wasteful number, since it uses less digits than its factorization.

505000500004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144725 (or 144723 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

Adding to 505000500004 its reverse (400005000505), we get a palindrome (905005500509).

The spelling of 505000500004 in words is "five hundred five billion, five hundred thousand, four".