260445064870 has 16 divisors (see below), whose sum is σ = 468812021040. Its totient is φ = 104175602784.

The previous prime is 260445064853. The next prime is 260445064877. The reversal of 260445064870 is 78460544062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 260445064870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260445064877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186121 + ... + 745339.

It is an arithmetic number, because the mean of its divisors is an integer number (29300751315).

Almost surely, 2^260445064870 is an apocalyptic number.

260445064870 is a deficient number, since it is larger than the sum of its proper divisors (208366956170).

260445064870 is a wasteful number, since it uses less digits than its factorization.

260445064870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605799.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 260445064870 in words is "two hundred sixty billion, four hundred forty-five million, sixty-four thousand, eight hundred seventy".