1340204323042 has 8 divisors (see below), whose sum is σ = 2164945444956. Its totient is φ = 618555841392.

The previous prime is 1340204323039. The next prime is 1340204323043. The reversal of 1340204323042 is 2403234020431.

It can be written as a sum of positive squares in 2 ways, for example, as 962260940601 + 377943382441 = 980949^2 + 614771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1340204323042² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1340204323042.

It is not an unprimeable number, because it can be changed into a prime (1340204323043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25773160033 + ... + 25773160084.

Almost surely, 2^{1340204323042} is an apocalyptic number.

1340204323042 is a deficient number, since it is larger than the sum of its proper divisors (824741121914).

1340204323042 is a wasteful number, since it uses less digits than its factorization.

1340204323042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51546320132.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1340204323042 its reverse (2403234020431), we get a palindrome (3743438343473).

The spelling of 1340204323042 in words is "one trillion, three hundred forty billion, two hundred four million, three hundred twenty-three thousand, forty-two".