260505450 has 96 divisors (see below), whose sum is σ = 760129920. Its totient is φ = 65376000.

The previous prime is 260505439. The next prime is 260505457. The reversal of 260505450 is 54505062.

260505450 is a `hidden beast` number, since 2 + 605 + 0 + 5 + 4 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260505457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17275 + ... + 28625.

It is an arithmetic number, because the mean of its divisors is an integer number (7918020).

Almost surely, 2^260505450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260505450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380064960).

260505450 is an abundant number, since it is smaller than the sum of its proper divisors (499624470).

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

260505450 is a wasteful number, since it uses less digits than its factorization.

260505450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11389 (or 11378 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 260505450 is about 16140.1812257484. The cubic root of 260505450 is about 638.6637566218.

The spelling of 260505450 in words is "two hundred sixty million, five hundred five thousand, four hundred fifty".