1428068266 has 8 divisors (see below), whose sum is σ = 2143889604. Its totient is φ = 713438400.

The previous prime is 1428068263. The next prime is 1428068281. The reversal of 1428068266 is 6628608241.

It can be written as a sum of positive squares in 2 ways, for example, as 1004573025 + 423495241 = 31695^2 + 20579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1428068261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294865 + ... + 299668.

Almost surely, 2^1428068266 is an apocalyptic number.

1428068266 is a deficient number, since it is larger than the sum of its proper divisors (715821338).

1428068266 is a wasteful number, since it uses less digits than its factorization.

1428068266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595736.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 1428068266 is about 37789.7904995516. The cubic root of 1428068266 is about 1126.1156382346.

The spelling of 1428068266 in words is "one billion, four hundred twenty-eight million, sixty-eight thousand, two hundred sixty-six".