260266000 has 80 divisors (see below), whose sum is σ = 633709440. Its totient is φ = 103382400.

The previous prime is 260265977. The next prime is 260266001. The reversal of 260266000 is 662062.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (260266001) 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 15 ways as a sum of consecutive naturals, for example, 357637 + ... + 358363.

It is an arithmetic number, because the mean of its divisors is an integer number (7921368).

Almost surely, 2^260266000 is an apocalyptic number.

260266000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260266000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316854720).

260266000 is an abundant number, since it is smaller than the sum of its proper divisors (373443440).

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

260266000 is a wasteful number, since it uses less digits than its factorization.

260266000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 260266000 is about 16132.7616978619. The cubic root of 260266000 is about 638.4680154626.

The spelling of 260266000 in words is "two hundred sixty million, two hundred sixty-six thousand".