260591056 has 20 divisors (see below), whose sum is σ = 550795104. Its totient is φ = 118450400.

The previous prime is 260591047. The next prime is 260591057. The reversal of 260591056 is 650195062.

It is a happy number.

It is a super-4 number, since 4×260591056⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260591057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740140 + ... + 740491.

Almost surely, 2^260591056 is an apocalyptic number.

It is an amenable number.

260591056 is an abundant number, since it is smaller than the sum of its proper divisors (290204048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260591056 is a wasteful number, since it uses less digits than its factorization.

260591056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480650 (or 1480644 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 260591056 is about 16142.8329607910. The cubic root of 260591056 is about 638.7337071249.

The spelling of 260591056 in words is "two hundred sixty million, five hundred ninety-one thousand, fifty-six".