810028568 has 16 divisors (see below), whose sum is σ = 1559852880. Its totient is φ = 394067808.

The previous prime is 810028567. The next prime is 810028619. The reversal of 810028568 is 865820018.

It is a super-2 number, since 2×810028568² = 1312292561952261248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810028567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367996 + ... + 1368587.

It is an arithmetic number, because the mean of its divisors is an integer number (97490805).

Almost surely, 2^810028568 is an apocalyptic number.

It is an amenable number.

810028568 is a deficient number, since it is larger than the sum of its proper divisors (749824312).

810028568 is a wasteful number, since it uses less digits than its factorization.

810028568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736626 (or 2736622 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 810028568 is about 28461.0008256913. Note that the first 3 decimals coincide. The cubic root of 810028568 is about 932.1807105978.

The spelling of 810028568 in words is "eight hundred ten million, twenty-eight thousand, five hundred sixty-eight".