1340420224224 has 24 divisors (see below), whose sum is σ = 3518603088840. Its totient is φ = 446806741376.

The previous prime is 1340420224181. The next prime is 1340420224249. The reversal of 1340420224224 is 4224220240431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1340420224191 and 1340420224200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6981355239 + ... + 6981355430.

It is an arithmetic number, because the mean of its divisors is an integer number (146608462035).

Almost surely, 2^{1340420224224} is an apocalyptic number.

It is an amenable number.

1340420224224 is an abundant number, since it is smaller than the sum of its proper divisors (2178182864616).

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

1340420224224 is a wasteful number, since it uses less digits than its factorization.

1340420224224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13962710682 (or 13962710674 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 1340420224224 its reverse (4224220240431), we get a palindrome (5564640464655).

The spelling of 1340420224224 in words is "one trillion, three hundred forty billion, four hundred twenty million, two hundred twenty-four thousand, two hundred twenty-four".