505005648 has 40 divisors (see below), whose sum is σ = 1490970048. Its totient is φ = 144287232.

The previous prime is 505005643. The next prime is 505005673. The reversal of 505005648 is 846500505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505005643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751161 + ... + 751832.

Almost surely, 2^505005648 is an apocalyptic number.

It is an amenable number.

505005648 is an abundant number, since it is smaller than the sum of its proper divisors (985964400).

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

505005648 is a wasteful number, since it uses less digits than its factorization.

505005648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503011 (or 1503005 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 505005648 is about 22472.3307202435. The cubic root of 505005648 is about 796.3403929558.

The spelling of 505005648 in words is "five hundred five million, five thousand, six hundred forty-eight".