1328607256 has 32 divisors (see below), whose sum is σ = 2648252880. Its totient is φ = 622720000.

The previous prime is 1328607251. The next prime is 1328607257. The reversal of 1328607256 is 6527068231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328607251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14676 + ... + 53596.

Almost surely, 2^1328607256 is an apocalyptic number.

It is an amenable number.

1328607256 is a deficient number, since it is larger than the sum of its proper divisors (1319645624).

1328607256 is a wasteful number, since it uses less digits than its factorization.

1328607256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39195 (or 39191 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1328607256 is about 36450.0652399965. The cubic root of 1328607256 is about 1099.3404464879.

The spelling of 1328607256 in words is "one billion, three hundred twenty-eight million, six hundred seven thousand, two hundred fifty-six".