1344699216 has 120 divisors (see below), whose sum is σ = 4308682560. Its totient is φ = 383505408.

The previous prime is 1344699151. The next prime is 1344699229. The reversal of 1344699216 is 6129964431.

1344699216 is a `hidden beast` number, since 1 + 344 + 6 + 99 + 216 = 666.

It is a super-2 number, since 2×1344699216² = 3616431963022029312, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 865096 + ... + 866648.

It is an arithmetic number, because the mean of its divisors is an integer number (35905688).

Almost surely, 2^1344699216 is an apocalyptic number.

1344699216 is a gapful number since it is divisible by the number (16) 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 1344699216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154341280).

1344699216 is an abundant number, since it is smaller than the sum of its proper divisors (2963983344).

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

1344699216 is a wasteful number, since it uses less digits than its factorization.

1344699216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2424 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 1344699216 is about 36670.1406596702. The cubic root of 1344699216 is about 1103.7610147477.

The spelling of 1344699216 in words is "one billion, three hundred forty-four million, six hundred ninety-nine thousand, two hundred sixteen".