1328960658026 has 32 divisors (see below), whose sum is σ = 2117221424640. Its totient is φ = 624597465600.

The previous prime is 1328960657993. The next prime is 1328960658043. The reversal of 1328960658026 is 6208560698231.

It is a super-2 number, since 2×1328960658026² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574511 + ... + 1728578.

It is an arithmetic number, because the mean of its divisors is an integer number (66163169520).

Almost surely, 2^{1328960658026} is an apocalyptic number.

1328960658026 is a deficient number, since it is larger than the sum of its proper divisors (788260766614).

1328960658026 is a wasteful number, since it uses less digits than its factorization.

1328960658026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303390.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 1328960658026 in words is "one trillion, three hundred twenty-eight billion, nine hundred sixty million, six hundred fifty-eight thousand, twenty-six".