1343322240 has 128 divisors (see below), whose sum is σ = 4611297600. Its totient is φ = 330657792.

The previous prime is 1343322229. The next prime is 1343322317. The reversal of 1343322240 is 422233431.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1343322240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950 + ... + 51869.

Almost surely, 2^1343322240 is an apocalyptic number.

1343322240 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 1343322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2305648800).

1343322240 is an abundant number, since it is smaller than the sum of its proper divisors (3267975360).

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

1343322240 is a wasteful number, since it uses less digits than its factorization.

1343322240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53854 (or 53842 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1343322240 is about 36651.3606841547. The cubic root of 1343322240 is about 1103.3841345547.

Adding to 1343322240 its reverse (422233431), we get a palindrome (1765555671).

The spelling of 1343322240 in words is "one billion, three hundred forty-three million, three hundred twenty-two thousand, two hundred forty".