1768326228 has 60 divisors (see below), whose sum is σ = 4735539732. Its totient is φ = 575061120.

The previous prime is 1768326221. The next prime is 1768326271. The reversal of 1768326228 is 8226238671.

1768326228 is a `hidden beast` number, since 17 + 6 + 8 + 3 + 2 + 622 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 191600964 + 1576725264 = 13842^2 + 39708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1768326221) 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 19 ways as a sum of consecutive naturals, for example, 53275 + ... + 79842.

Almost surely, 2^1768326228 is an apocalyptic number.

1768326228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1768326228 is an abundant number, since it is smaller than the sum of its proper divisors (2967213504).

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

1768326228 is a wasteful number, since it uses less digits than its factorization.

1768326228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133174 (or 133163 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1768326228 is about 42051.4711752157. The cubic root of 1768326228 is about 1209.2630870301.

The spelling of 1768326228 in words is "one billion, seven hundred sixty-eight million, three hundred twenty-six thousand, two hundred twenty-eight".