260722080 has 144 divisors (see below), whose sum is σ = 894033504. Its totient is φ = 69189120.

The previous prime is 260722061. The next prime is 260722087. The reversal of 260722080 is 80227062.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (260722087) 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 23 ways as a sum of consecutive naturals, for example, 476367 + ... + 476913.

It is an arithmetic number, because the mean of its divisors is an integer number (6208566).

Almost surely, 2^260722080 is an apocalyptic number.

260722080 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 260722080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447016752).

260722080 is an abundant number, since it is smaller than the sum of its proper divisors (633311424).

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

260722080 is a wasteful number, since it uses less digits than its factorization.

260722080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 260722080 is about 16146.8907223651. The cubic root of 260722080 is about 638.8407399911.

The spelling of 260722080 in words is "two hundred sixty million, seven hundred twenty-two thousand, eighty".