1328662268 has 12 divisors (see below), whose sum is σ = 2461933152. Its totient is φ = 625252800.

The previous prime is 1328662261. The next prime is 1328662271. The reversal of 1328662268 is 8622668231.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328662261) 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, 9769508 + ... + 9769643.

It is an arithmetic number, because the mean of its divisors is an integer number (205161096).

Almost surely, 2^1328662268 is an apocalyptic number.

It is an amenable number.

1328662268 is a deficient number, since it is larger than the sum of its proper divisors (1133270884).

1328662268 is a wasteful number, since it uses less digits than its factorization.

1328662268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19539172 (or 19539170 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 1328662268 is about 36450.8198536055. The cubic root of 1328662268 is about 1099.3556192893.

The spelling of 1328662268 in words is "one billion, three hundred twenty-eight million, six hundred sixty-two thousand, two hundred sixty-eight".