260841440 has 96 divisors (see below), whose sum is σ = 651442176. Its totient is φ = 98542080.

The previous prime is 260841437. The next prime is 260841463. The reversal of 260841440 is 44148062.

It is a zygodrome in base 2.

It is a congruent number.

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, 212669 + ... + 213891.

It is an arithmetic number, because the mean of its divisors is an integer number (6785856).

Almost surely, 2^260841440 is an apocalyptic number.

260841440 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 260841440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325721088).

260841440 is an abundant number, since it is smaller than the sum of its proper divisors (390600736).

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

260841440 is a wasteful number, since it uses less digits than its factorization.

260841440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 260841440 is about 16150.5863670642. The cubic root of 260841440 is about 638.9382133843.

The spelling of 260841440 in words is "two hundred sixty million, eight hundred forty-one thousand, four hundred forty".