260807745 has 16 divisors (see below), whose sum is σ = 455228352. Its totient is φ = 126452160.

The previous prime is 260807719. The next prime is 260807749. The reversal of 260807745 is 547708062.

260807745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-260807745 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260807749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790162 + ... + 790491.

It is an arithmetic number, because the mean of its divisors is an integer number (28451772).

Almost surely, 2^260807745 is an apocalyptic number.

It is an amenable number.

260807745 is a deficient number, since it is larger than the sum of its proper divisors (194420607).

260807745 is a wasteful number, since it uses less digits than its factorization.

260807745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580672.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 260807745 is about 16149.5431823937. The cubic root of 260807745 is about 638.9106999261.

The spelling of 260807745 in words is "two hundred sixty million, eight hundred seven thousand, seven hundred forty-five".