260841009 has 32 divisors (see below), whose sum is σ = 419658624. Its totient is φ = 141972480.

The previous prime is 260840989. The next prime is 260841017. The reversal of 260841009 is 900148062.

260841009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 260841009 - 2¹² = 260836913 is a prime.

It is a super-2 number, since 2×260841009² = 136076063952276162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260841019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7657 + ... + 24089.

It is an arithmetic number, because the mean of its divisors is an integer number (13114332).

Almost surely, 2^260841009 is an apocalyptic number.

It is an amenable number.

260841009 is a deficient number, since it is larger than the sum of its proper divisors (158817615).

260841009 is a wasteful number, since it uses less digits than its factorization.

260841009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16497.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 260841009 is about 16150.5730238899. The cubic root of 260841009 is about 638.9378614687.

The spelling of 260841009 in words is "two hundred sixty million, eight hundred forty-one thousand, nine".