1343400022340 has 12 divisors (see below), whose sum is σ = 2821140046956. Its totient is φ = 537360008928.

The previous prime is 1343400022339. The next prime is 1343400022361. The reversal of 1343400022340 is 432200043431.

It can be written as a sum of positive squares in 2 ways, for example, as 626136698944 + 717263323396 = 791288^2 + 846914^2 .

It is a super-2 number, since 2×1343400022340² (a number of 25 digits) contains 22 as substring.

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, 33585000539 + ... + 33585000578.

It is an arithmetic number, because the mean of its divisors is an integer number (235095003913).

Almost surely, 2^{1343400022340} is an apocalyptic number.

1343400022340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343400022340 is an abundant number, since it is smaller than the sum of its proper divisors (1477740024616).

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

1343400022340 is a wasteful number, since it uses less digits than its factorization.

1343400022340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67170001126 (or 67170001124 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 1343400022340 its reverse (432200043431), we get a palindrome (1775600065771).

The spelling of 1343400022340 in words is "one trillion, three hundred forty-three billion, four hundred million, twenty-two thousand, three hundred forty".