261046304 has 24 divisors (see below), whose sum is σ = 514303020. Its totient is φ = 130429696.

The previous prime is 261046277. The next prime is 261046327. The reversal of 261046304 is 403640162.

It can be written as a sum of positive squares in 2 ways, for example, as 229461904 + 31584400 = 15148^2 + 5620^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72122 + ... + 75654.

Almost surely, 2^261046304 is an apocalyptic number.

It is an amenable number.

261046304 is a deficient number, since it is larger than the sum of its proper divisors (253256716).

261046304 is a wasteful number, since it uses less digits than its factorization.

261046304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852 (or 5844 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 261046304 is about 16156.9274306720. The cubic root of 261046304 is about 639.1054429278.

Adding to 261046304 its reverse (403640162), we get a palindrome (664686466).

The spelling of 261046304 in words is "two hundred sixty-one million, forty-six thousand, three hundred four".