505534314228 has 48 divisors (see below), whose sum is σ = 1220548150080. Its totient is φ = 162661644544.

The previous prime is 505534314227. The next prime is 505534314247. The reversal of 505534314228 is 822413435505.

It is a self number, because there is not a number n which added to its sum of digits gives 505534314228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505534314221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295275 + ... + 1639757.

It is an arithmetic number, because the mean of its divisors is an integer number (25428086460).

Almost surely, 2^505534314228 is an apocalyptic number.

505534314228 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

505534314228 is an abundant number, since it is smaller than the sum of its proper divisors (715013835852).

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

505534314228 is a wasteful number, since it uses less digits than its factorization.

505534314228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348736 (or 348734 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 505534314228 in words is "five hundred five billion, five hundred thirty-four million, three hundred fourteen thousand, two hundred twenty-eight".