1340345443422 has 32 divisors (see below), whose sum is σ = 2718552890880. Its totient is φ = 440487852480.

The previous prime is 1340345443337. The next prime is 1340345443429. The reversal of 1340345443422 is 2243445430431.

It is a super-3 number, since 3×1340345443422³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340345443429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1718583 + ... + 2373650.

It is an arithmetic number, because the mean of its divisors is an integer number (84954777840).

Almost surely, 2^{1340345443422} is an apocalyptic number.

1340345443422 is an abundant number, since it is smaller than the sum of its proper divisors (1378207447458).

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

1340345443422 is a wasteful number, since it uses less digits than its factorization.

1340345443422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093008.

The product of its (nonzero) digits is 552960, while the sum is 39.

The spelling of 1340345443422 in words is "one trillion, three hundred forty billion, three hundred forty-five million, four hundred forty-three thousand, four hundred twenty-two".