505660200 has 48 divisors (see below), whose sum is σ = 1567548480. Its totient is φ = 134842560.

The previous prime is 505660157. The next prime is 505660201. The reversal of 505660200 is 2066505.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (505660201) 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 11 ways as a sum of consecutive naturals, for example, 420784 + ... + 421983.

It is an arithmetic number, because the mean of its divisors is an integer number (32657260).

Almost surely, 2^505660200 is an apocalyptic number.

505660200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505660200 is an abundant number, since it is smaller than the sum of its proper divisors (1061888280).

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

505660200 is a wasteful number, since it uses less digits than its factorization.

505660200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842786 (or 842777 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 505660200 is about 22486.8895136700. The cubic root of 505660200 is about 796.6842974649.

It can be divided in two parts, 5056 and 60200, that added together give a palindrome (65256).

The spelling of 505660200 in words is "five hundred five million, six hundred sixty thousand, two hundred".