260520806 has 32 divisors (see below), whose sum is σ = 492706368. Its totient is φ = 100546560.

The previous prime is 260520803. The next prime is 260520817. The reversal of 260520806 is 608025062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260520803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9995 + ... + 24918.

It is an arithmetic number, because the mean of its divisors is an integer number (15397074).

Almost surely, 2^260520806 is an apocalyptic number.

260520806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

260520806 is a deficient number, since it is larger than the sum of its proper divisors (232185562).

260520806 is a wasteful number, since it uses less digits than its factorization.

260520806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34976.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 260520806 is about 16140.6569259123. The cubic root of 260520806 is about 638.6763054674.

Adding to 260520806 its reverse (608025062), we get a palindrome (868545868).

The spelling of 260520806 in words is "two hundred sixty million, five hundred twenty thousand, eight hundred six".