1144340043440 has 80 divisors (see below), whose sum is σ = 2931199953696. Its totient is φ = 412003584000.

The previous prime is 1144340043389. The next prime is 1144340043443. The reversal of 1144340043440 is 443400434411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1144340043440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144340043397 and 1144340043406.

It is not an unprimeable number, because it can be changed into a prime (1144340043443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6348677 + ... + 6526436.

Almost surely, 2^{1144340043440} is an apocalyptic number.

1144340043440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144340043440 is an abundant number, since it is smaller than the sum of its proper divisors (1786859910256).

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

1144340043440 is a wasteful number, since it uses less digits than its factorization.

1144340043440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12875238 (or 12875232 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1144340043440 its reverse (443400434411), we get a palindrome (1587740477851).

It can be divided in two parts, 1 and 144340043440, that added together give a palindrome (144340043441).

The spelling of 1144340043440 in words is "one trillion, one hundred forty-four billion, three hundred forty million, forty-three thousand, four hundred forty".