260433146 has 8 divisors (see below), whose sum is σ = 394517844. Its totient is φ = 128927200.

The previous prime is 260433143. The next prime is 260433161. The reversal of 260433146 is 641334062.

It can be written as a sum of positive squares in 2 ways, for example, as 239042521 + 21390625 = 15461^2 + 4625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260433143) 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 3 ways as a sum of consecutive naturals, for example, 644435 + ... + 644838.

Almost surely, 2^260433146 is an apocalyptic number.

260433146 is a deficient number, since it is larger than the sum of its proper divisors (134084698).

260433146 is a wasteful number, since it uses less digits than its factorization.

260433146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289376.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 260433146 is about 16137.9411945886. The cubic root of 260433146 is about 638.6046635303.

The spelling of 260433146 in words is "two hundred sixty million, four hundred thirty-three thousand, one hundred forty-six".