260508728457970 has 16 divisors (see below), whose sum is σ = 481589108825688. Its totient is φ = 101387180805120.

The previous prime is 260508728457907. The next prime is 260508728457983. The reversal of 260508728457970 is 79754827805062.

It can be written as a sum of positive squares in 4 ways, for example, as 176968452096601 + 83540276361369 = 13302949^2 + 9140037^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 260508728457970.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352038821871 + ... + 352038822610.

Almost surely, 2^{260508728457970} is an apocalyptic number.

260508728457970 is a deficient number, since it is larger than the sum of its proper divisors (221080380367718).

260508728457970 is a wasteful number, since it uses less digits than its factorization.

260508728457970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704077644525.

The product of its (nonzero) digits is 474163200, while the sum is 70.

The spelling of 260508728457970 in words is "two hundred sixty trillion, five hundred eight billion, seven hundred twenty-eight million, four hundred fifty-seven thousand, nine hundred seventy".