1344811340 has 12 divisors (see below), whose sum is σ = 2824103856. Its totient is φ = 537924528.

The previous prime is 1344811309. The next prime is 1344811373. The reversal of 1344811340 is 431184431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33620264 + ... + 33620303.

It is an arithmetic number, because the mean of its divisors is an integer number (235341988).

Almost surely, 2^1344811340 is an apocalyptic number.

1344811340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344811340 is an abundant number, since it is smaller than the sum of its proper divisors (1479292516).

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

1344811340 is a wasteful number, since it uses less digits than its factorization.

1344811340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67240576 (or 67240574 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1344811340 is about 36671.6694465905. The cubic root of 1344811340 is about 1103.7916919081.

Adding to 1344811340 its reverse (431184431), we get a palindrome (1775995771).

The spelling of 1344811340 in words is "one billion, three hundred forty-four million, eight hundred eleven thousand, three hundred forty".