260428670264378 has 64 divisors (see below), whose sum is σ = 513006383923200. Its totient is φ = 98192627996400.

The previous prime is 260428670264261. The next prime is 260428670264447. The reversal of 260428670264378 is 873462076824062.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556413626 + ... + 556881477.

It is an arithmetic number, because the mean of its divisors is an integer number (8015724748800).

Almost surely, 2^{260428670264378} is an apocalyptic number.

260428670264378 is a deficient number, since it is larger than the sum of its proper divisors (252577713658822).

260428670264378 is a wasteful number, since it uses less digits than its factorization.

260428670264378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113295168 (or 1113295154 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 65.

The spelling of 260428670264378 in words is "two hundred sixty trillion, four hundred twenty-eight billion, six hundred seventy million, two hundred sixty-four thousand, three hundred seventy-eight".