260826826 has 24 divisors (see below), whose sum is σ = 427462380. Its totient is φ = 119298816.

The previous prime is 260826823. The next prime is 260826827. The reversal of 260826826 is 628628062.

It can be written as a sum of positive squares in 6 ways, for example, as 2099601 + 258727225 = 1449^2 + 16085^2 .

It is a super-2 number, since 2×260826826² = 136061266322468552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260826823) 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 11 ways as a sum of consecutive naturals, for example, 34780 + ... + 41608.

Almost surely, 2^260826826 is an apocalyptic number.

260826826 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

260826826 is a deficient number, since it is larger than the sum of its proper divisors (166635554).

260826826 is a wasteful number, since it uses less digits than its factorization.

260826826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970 (or 6957 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 260826826 is about 16150.1339313332. The cubic root of 260826826 is about 638.9262806978.

The spelling of 260826826 in words is "two hundred sixty million, eight hundred twenty-six thousand, eight hundred twenty-six".