260326400 has 66 divisors (see below), whose sum is σ = 645357690. Its totient is φ = 104120320.

The previous prime is 260326361. The next prime is 260326403. The reversal of 260326400 is 4623062.

260326400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 62980096 + 197346304 = 7936^2 + 14048^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (260326403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20516 + ... + 30684.

Almost surely, 2^260326400 is an apocalyptic number.

260326400 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 260326400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322678845).

260326400 is an abundant number, since it is smaller than the sum of its proper divisors (385031290).

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

260326400 is a wasteful number, since it uses less digits than its factorization.

260326400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199 (or 10176 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 260326400 is about 16134.6335564214. The cubic root of 260326400 is about 638.5174014566.

Adding to 260326400 its reverse (4623062), we get a palindrome (264949462).

The spelling of 260326400 in words is "two hundred sixty million, three hundred twenty-six thousand, four hundred".