260355648 has 112 divisors (see below), whose sum is σ = 791081984. Its totient is φ = 74027520.

The previous prime is 260355631. The next prime is 260355659. The reversal of 260355648 is 846553062.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412293 + ... + 412923.

It is an arithmetic number, because the mean of its divisors is an integer number (7063232).

Almost surely, 2^260355648 is an apocalyptic number.

260355648 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 260355648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395540992).

260355648 is an abundant number, since it is smaller than the sum of its proper divisors (530726336).

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

260355648 is a wasteful number, since it uses less digits than its factorization.

260355648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 260355648 is about 16135.5399041991. The cubic root of 260355648 is about 638.5413133068.

It can be divided in two parts, 260355 and 648, that added together give a triangular number (261003 = T₇₂₂).

The spelling of 260355648 in words is "two hundred sixty million, three hundred fifty-five thousand, six hundred forty-eight".