260944980 has 96 divisors (see below), whose sum is σ = 758661120. Its totient is φ = 66944640.

The previous prime is 260944969. The next prime is 260944991. The reversal of 260944980 is 89449062.

It is an interprime number because it is at equal distance from previous prime (260944969) and next prime (260944991).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444247 + ... + 444833.

It is an arithmetic number, because the mean of its divisors is an integer number (7902720).

Almost surely, 2^260944980 is an apocalyptic number.

260944980 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 260944980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379330560).

260944980 is an abundant number, since it is smaller than the sum of its proper divisors (497716140).

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

260944980 is a wasteful number, since it uses less digits than its factorization.

260944980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 260944980 is about 16153.7915054021. The cubic root of 260944980 is about 639.0227435509.

The spelling of 260944980 in words is "two hundred sixty million, nine hundred forty-four thousand, nine hundred eighty".