1344431424 has 84 divisors (see below), whose sum is σ = 4137928224. Its totient is φ = 384120576.

The previous prime is 1344431327. The next prime is 1344431441. The reversal of 1344431424 is 4241344431.

It is a tau number, because it is divible by the number of its divisors (84).

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

It is a junction number, because it is equal to n+sod(n) for n = 1344431391 and 1344431400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62044 + ... + 80859.

Almost surely, 2^1344431424 is an apocalyptic number.

1344431424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1344431424 is an abundant number, since it is smaller than the sum of its proper divisors (2793496800).

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

1344431424 is a wasteful number, since it uses less digits than its factorization.

1344431424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142932 (or 142915 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 1344431424 is about 36666.4891147216. The cubic root of 1344431424 is about 1103.6877398747.

Adding to 1344431424 its reverse (4241344431), we get a palindrome (5585775855).

The spelling of 1344431424 in words is "one billion, three hundred forty-four million, four hundred thirty-one thousand, four hundred twenty-four".