1144112313440 has 48 divisors (see below), whose sum is σ = 2861963308512. Its totient is φ = 430724634624.

The previous prime is 1144112313347. The next prime is 1144112313473. The reversal of 1144112313440 is 443132114411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210312044 + ... + 210317483.

It is an arithmetic number, because the mean of its divisors is an integer number (59624235594).

Almost surely, 2^{1144112313440} is an apocalyptic number.

1144112313440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144112313440 is an abundant number, since it is smaller than the sum of its proper divisors (1717850995072).

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

1144112313440 is a wasteful number, since it uses less digits than its factorization.

1144112313440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420629559 (or 420629551 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1144112313440 its reverse (443132114411), we get a palindrome (1587244427851).

The spelling of 1144112313440 in words is "one trillion, one hundred forty-four billion, one hundred twelve million, three hundred thirteen thousand, four hundred forty".