260144766 has 48 divisors (see below), whose sum is σ = 672182784. Its totient is φ = 71094672.

The previous prime is 260144701. The next prime is 260144783. The reversal of 260144766 is 667441062.

260144766 is a `hidden beast` number, since 2 + 601 + 4 + 47 + 6 + 6 = 666.

It is a super-3 number, since 3×260144766³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260144766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41986 + ... + 47781.

It is an arithmetic number, because the mean of its divisors is an integer number (14003808).

Almost surely, 2^260144766 is an apocalyptic number.

260144766 is an abundant number, since it is smaller than the sum of its proper divisors (412038018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260144766 is a wasteful number, since it uses less digits than its factorization.

260144766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89805 (or 89802 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 260144766 is about 16129.0038750073. The cubic root of 260144766 is about 638.3688655506.

The spelling of 260144766 in words is "two hundred sixty million, one hundred forty-four thousand, seven hundred sixty-six".