260456144 has 20 divisors (see below), whose sum is σ = 543452196. Its totient is φ = 120210432.

The previous prime is 260456143. The next prime is 260456173. The reversal of 260456144 is 441654062.

It can be written as a sum of positive squares in 2 ways, for example, as 66912400 + 193543744 = 8180^2 + 13912^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 260456144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260456143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625889 + ... + 626304.

Almost surely, 2^260456144 is an apocalyptic number.

It is an amenable number.

260456144 is an abundant number, since it is smaller than the sum of its proper divisors (282996052).

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

260456144 is a wasteful number, since it uses less digits than its factorization.

260456144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252214 (or 1252208 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 260456144 is about 16138.6537232819. The cubic root of 260456144 is about 638.6234606740.

The spelling of 260456144 in words is "two hundred sixty million, four hundred fifty-six thousand, one hundred forty-four".