505404521552 has 40 divisors (see below), whose sum is σ = 1119158446656. Its totient is φ = 216592563456.

The previous prime is 505404521537. The next prime is 505404521561. The reversal of 505404521552 is 255125404505.

It is a congruent number.

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, 2914763 + ... + 3083285.

Almost surely, 2^505404521552 is an apocalyptic number.

It is an amenable number.

505404521552 is an abundant number, since it is smaller than the sum of its proper divisors (613753925104).

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

505404521552 is a wasteful number, since it uses less digits than its factorization.

505404521552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195315 (or 195309 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 505404521552 in words is "five hundred five billion, four hundred four million, five hundred twenty-one thousand, five hundred fifty-two".