1344242212040 has 128 divisors (see below), whose sum is σ = 3738495720960. Its totient is φ = 423604353024.

The previous prime is 1344242212009. The next prime is 1344242212189. The reversal of 1344242212040 is 402122424431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1344242211994 and 1344242212012.

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, 55637 + ... + 1640603.

It is an arithmetic number, because the mean of its divisors is an integer number (29206997820).

Almost surely, 2^{1344242212040} is an apocalyptic number.

1344242212040 is a gapful number since it is divisible by the number (10) 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 1344242212040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1869247860480).

1344242212040 is an abundant number, since it is smaller than the sum of its proper divisors (2394253508920).

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

1344242212040 is a wasteful number, since it uses less digits than its factorization.

1344242212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585231 (or 1585227 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1344242212040 its reverse (402122424431), we get a palindrome (1746364636471).

The spelling of 1344242212040 in words is "one trillion, three hundred forty-four billion, two hundred forty-two million, two hundred twelve thousand, forty".