260561448 has 320 divisors, whose sum is σ = 919987200. Its totient is φ = 67184640.

The previous prime is 260561447. The next prime is 260561449. The reversal of 260561448 is 844165062.

260561448 is a `hidden beast` number, since 2 + 605 + 6 + 1 + 4 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (260561447) and next prime (260561449).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (260561447) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2390418 + ... + 2390526.

It is an arithmetic number, because the mean of its divisors is an integer number (2874960).

Almost surely, 2^260561448 is an apocalyptic number.

260561448 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 260561448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459993600).

260561448 is an abundant number, since it is smaller than the sum of its proper divisors (659425752).

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

260561448 is a wasteful number, since it uses less digits than its factorization.

260561448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 260561448 is about 16141.9158714200. The cubic root of 260561448 is about 638.7095155247.

The spelling of 260561448 in words is "two hundred sixty million, five hundred sixty-one thousand, four hundred forty-eight".