1343500240 has 20 divisors (see below), whose sum is σ = 3123638244. Its totient is φ = 537400064.

The previous prime is 1343500211. The next prime is 1343500243. The reversal of 1343500240 is 420053431.

It can be written as a sum of positive squares in 2 ways, for example, as 676208016 + 667292224 = 26004^2 + 25832^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343500243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8396797 + ... + 8396956.

Almost surely, 2^1343500240 is an apocalyptic number.

1343500240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343500240 is an abundant number, since it is smaller than the sum of its proper divisors (1780138004).

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

1343500240 is a wasteful number, since it uses less digits than its factorization.

1343500240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16793766 (or 16793760 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1343500240 is about 36653.7888900998. The cubic root of 1343500240 is about 1103.4328678856.

Adding to 1343500240 its reverse (420053431), we get a palindrome (1763553671).

The spelling of 1343500240 in words is "one billion, three hundred forty-three million, five hundred thousand, two hundred forty".