1340324260 has 72 divisors (see below), whose sum is σ = 3177651960. Its totient is φ = 474186240.

The previous prime is 1340324257. The next prime is 1340324267. The reversal of 1340324260 is 624230431.

It can be written as a sum of positive squares in 4 ways, for example, as 40144896 + 1300179364 = 6336^2 + 36058^2 .

It is not an unprimeable number, because it can be changed into a prime (1340324267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82056 + ... + 97024.

It is an arithmetic number, because the mean of its divisors is an integer number (44134055).

Almost surely, 2^1340324260 is an apocalyptic number.

1340324260 is a gapful number since it is divisible by the number (10) 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 1340324260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588825980).

1340324260 is an abundant number, since it is smaller than the sum of its proper divisors (1837327700).

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

1340324260 is a wasteful number, since it uses less digits than its factorization.

1340324260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15037 (or 15024 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1340324260 is about 36610.4392216209. The cubic root of 1340324260 is about 1102.5626916769.

Adding to 1340324260 its reverse (624230431), we get a palindrome (1964554691).

The spelling of 1340324260 in words is "one billion, three hundred forty million, three hundred twenty-four thousand, two hundred sixty".