1344445312 has 64 divisors (see below), whose sum is σ = 3194150400. Its totient is φ = 551130624.

The previous prime is 1344445259. The next prime is 1344445321. The reversal of 1344445312 is 2135444431.

It is a tau number, because it is divible by the number of its divisors (64).

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, 12012 + ... + 53227.

It is an arithmetic number, because the mean of its divisors is an integer number (49908600).

Almost surely, 2^1344445312 is an apocalyptic number.

It is an amenable number.

1344445312 is an abundant number, since it is smaller than the sum of its proper divisors (1849705088).

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

1344445312 is an equidigital number, since it uses as much as digits as its factorization.

1344445312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65283 (or 65271 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 1344445312 is about 36666.6784969678. The cubic root of 1344445312 is about 1103.6915402328.

Adding to 1344445312 its reverse (2135444431), we get a palindrome (3479889743).

The spelling of 1344445312 in words is "one billion, three hundred forty-four million, four hundred forty-five thousand, three hundred twelve".