505201648 has 40 divisors (see below), whose sum is σ = 1184468832. Its totient is φ = 203778048.

The previous prime is 505201633. The next prime is 505201649. The reversal of 505201648 is 846102505.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505201649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130765 + ... + 134572.

Almost surely, 2^505201648 is an apocalyptic number.

It is an amenable number.

505201648 is an abundant number, since it is smaller than the sum of its proper divisors (679267184).

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

505201648 is a wasteful number, since it uses less digits than its factorization.

505201648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265369 (or 265363 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 505201648 is about 22476.6912155682. The cubic root of 505201648 is about 796.4434033739.

The spelling of 505201648 in words is "five hundred five million, two hundred one thousand, six hundred forty-eight".