1344003320 has 32 divisors (see below), whose sum is σ = 3298918320. Its totient is φ = 488728320.

The previous prime is 1344003319. The next prime is 1344003341. The reversal of 1344003320 is 233004431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1344003292 and 1344003301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526837 + ... + 1527716.

Almost surely, 2^1344003320 is an apocalyptic number.

1344003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344003320 is an abundant number, since it is smaller than the sum of its proper divisors (1954915000).

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

1344003320 is a wasteful number, since it uses less digits than its factorization.

1344003320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054575 (or 3054571 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1344003320 is about 36660.6508398310. The cubic root of 1344003320 is about 1103.5705792450.

Adding to 1344003320 its reverse (233004431), we get a palindrome (1577007751).

The spelling of 1344003320 in words is "one billion, three hundred forty-four million, three thousand, three hundred twenty".