260491776 has 40 divisors (see below), whose sum is σ = 693970464. Its totient is φ = 86830080.

The previous prime is 260491771. The next prime is 260491787. The reversal of 260491776 is 677194062.

It is not an unprimeable number, because it can be changed into a prime (260491771) by changing a digit.

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, 83260 + ... + 86331.

Almost surely, 2^260491776 is an apocalyptic number.

It is an amenable number.

260491776 is an abundant number, since it is smaller than the sum of its proper divisors (433478688).

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

260491776 is an equidigital number, since it uses as much as digits as its factorization.

260491776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169612 (or 169596 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 260491776 is about 16139.7576189979. The cubic root of 260491776 is about 638.6525818831.

The spelling of 260491776 in words is "two hundred sixty million, four hundred ninety-one thousand, seven hundred seventy-six".