268500810 has 16 divisors (see below), whose sum is σ = 644402016. Its totient is φ = 71600208.

The previous prime is 268500787. The next prime is 268500811. The reversal of 268500810 is 18005862.

It is a super-2 number, since 2×268500810² = 144185369941312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8950027 = 268500810 / (2 + 6 + 8 + 5 + 0 + 0 + 8 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (268500811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4474984 + ... + 4475043.

It is an arithmetic number, because the mean of its divisors is an integer number (40275126).

Almost surely, 2^268500810 is an apocalyptic number.

268500810 is an abundant number, since it is smaller than the sum of its proper divisors (375901206).

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

268500810 is a wasteful number, since it uses less digits than its factorization.

268500810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8950037.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 268500810 is about 16385.9943244223. The cubic root of 268500810 is about 645.1319242201.

The spelling of 268500810 in words is "two hundred sixty-eight million, five hundred thousand, eight hundred ten".