511780228 has 12 divisors (see below), whose sum is σ = 901111120. Its totient is φ = 254319912.

The previous prime is 511780207. The next prime is 511780267. The reversal of 511780228 is 822087115.

It is a junction number, because it is equal to n+sod(n) for n = 511780193 and 511780202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391818 + ... + 393121.

Almost surely, 2^511780228 is an apocalyptic number.

It is an amenable number.

511780228 is a deficient number, since it is larger than the sum of its proper divisors (389330892).

511780228 is a wasteful number, since it uses less digits than its factorization.

511780228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785106 (or 785104 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 511780228 is about 22622.5601557383. The cubic root of 511780228 is about 799.8855190351.

The spelling of 511780228 in words is "five hundred eleven million, seven hundred eighty thousand, two hundred twenty-eight".