1344420344442 has 64 divisors (see below), whose sum is σ = 3210209501184. Its totient is φ = 367001944320.

The previous prime is 1344420344437. The next prime is 1344420344459. The reversal of 1344420344442 is 2444430244431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344420344442.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61183 + ... + 1640909.

It is an arithmetic number, because the mean of its divisors is an integer number (50159523456).

Almost surely, 2^{1344420344442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344420344442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605104750592).

1344420344442 is an abundant number, since it is smaller than the sum of its proper divisors (1865789156742).

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

1344420344442 is a wasteful number, since it uses less digits than its factorization.

1344420344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580643.

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 1344420344442 its reverse (2444430244431), we get a palindrome (3788850588873).

The spelling of 1344420344442 in words is "one trillion, three hundred forty-four billion, four hundred twenty million, three hundred forty-four thousand, four hundred forty-two".