260771280 has 320 divisors, whose sum is σ = 1025077248. Its totient is φ = 53268480.

The previous prime is 260771267. The next prime is 260771281. The reversal of 260771280 is 82177062.

260771280 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260771281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1903372 + ... + 1903508.

Almost surely, 2^260771280 is an apocalyptic number.

260771280 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 260771280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512538624).

260771280 is an abundant number, since it is smaller than the sum of its proper divisors (764305968).

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

260771280 is a wasteful number, since it uses less digits than its factorization.

260771280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 260771280 is about 16148.4141636261. The cubic root of 260771280 is about 638.8809219702.

The spelling of 260771280 in words is "two hundred sixty million, seven hundred seventy-one thousand, two hundred eighty".