260775648 has 216 divisors, whose sum is σ = 914239872. Its totient is φ = 70060032.

The previous prime is 260775643. The next prime is 260775653. The reversal of 260775648 is 846577062.

It is an interprime number because it is at equal distance from previous prime (260775643) and next prime (260775653).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260775643) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 239361 + ... + 240447.

It is an arithmetic number, because the mean of its divisors is an integer number (4232592).

Almost surely, 2^260775648 is an apocalyptic number.

260775648 is a gapful number since it is divisible by the number (28) 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 260775648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457119936).

260775648 is an abundant number, since it is smaller than the sum of its proper divisors (653464224).

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

260775648 is a wasteful number, since it uses less digits than its factorization.

260775648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 260775648 is about 16148.5494085382. The cubic root of 260775648 is about 638.8844891017.

The spelling of 260775648 in words is "two hundred sixty million, seven hundred seventy-five thousand, six hundred forty-eight".