1340344223334 has 32 divisors (see below), whose sum is σ = 2980621427040. Its totient is φ = 446469601536.

The previous prime is 1340344223261. The next prime is 1340344223357. The reversal of 1340344223334 is 4333224430431.

1340344223334 is a `hidden beast` number, since 13 + 40 + 344 + 2 + 233 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8583187 + ... + 8737950.

It is an arithmetic number, because the mean of its divisors is an integer number (93144419595).

Almost surely, 2^{1340344223334} is an apocalyptic number.

1340344223334 is an abundant number, since it is smaller than the sum of its proper divisors (1640277203706).

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

1340344223334 is a wasteful number, since it uses less digits than its factorization.

1340344223334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17322581 (or 17322575 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 1340344223334 its reverse (4333224430431), we get a palindrome (5673568653765).

The spelling of 1340344223334 in words is "one trillion, three hundred forty billion, three hundred forty-four million, two hundred twenty-three thousand, three hundred thirty-four".