505252505480 has 16 divisors (see below), whose sum is σ = 1136818137420. Its totient is φ = 202101002176.

The previous prime is 505252505479. The next prime is 505252505503. The reversal of 505252505480 is 84505252505.

It can be written as a sum of positive squares in 2 ways, for example, as 465366823684 + 39885681796 = 682178^2 + 199714^2 .

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, 6315656279 + ... + 6315656358.

Almost surely, 2^505252505480 is an apocalyptic number.

It is an amenable number.

505252505480 is an abundant number, since it is smaller than the sum of its proper divisors (631565631940).

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

505252505480 is a wasteful number, since it uses less digits than its factorization.

505252505480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631312648 (or 12631312644 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 41.

Adding to 505252505480 its reverse (84505252505), we get a palindrome (589757757985).

The spelling of 505252505480 in words is "five hundred five billion, two hundred fifty-two million, five hundred five thousand, four hundred eighty".