1340220044144 has 10 divisors (see below), whose sum is σ = 2596676335560. Its totient is φ = 670110022064.

The previous prime is 1340220044047. The next prime is 1340220044161. The reversal of 1340220044144 is 4414400220431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41881876364 + ... + 41881876395.

It is an arithmetic number, because the mean of its divisors is an integer number (259667633556).

Almost surely, 2^{1340220044144} is an apocalyptic number.

It is an amenable number.

1340220044144 is a deficient number, since it is larger than the sum of its proper divisors (1256456291416).

1340220044144 is an equidigital number, since it uses as much as digits as its factorization.

1340220044144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83763752767 (or 83763752761 counting only the distinct ones).

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

Adding to 1340220044144 its reverse (4414400220431), we get a palindrome (5754620264575).

The spelling of 1340220044144 in words is "one trillion, three hundred forty billion, two hundred twenty million, forty-four thousand, one hundred forty-four".