1344420344440 has 32 divisors (see below), whose sum is σ = 3024989959680. Its totient is φ = 537760282752.

The previous prime is 1344420344437. The next prime is 1344420344459. The reversal of 1344420344440 is 444430244431.

It is a self number, because there is not a number n which added to its sum of digits gives 1344420344440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3085129 + ... + 3493831.

It is an arithmetic number, because the mean of its divisors is an integer number (94530936240).

Almost surely, 2^{1344420344440} is an apocalyptic number.

1344420344440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344420344440 is an abundant number, since it is smaller than the sum of its proper divisors (1680569615240).

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

1344420344440 is a wasteful number, since it uses less digits than its factorization.

1344420344440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490951 (or 490947 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 1344420344440 its reverse (444430244431), we get a palindrome (1788850588871).

The spelling of 1344420344440 in words is "one trillion, three hundred forty-four billion, four hundred twenty million, three hundred forty-four thousand, four hundred forty".