1340204420041 has 4 divisors (see below), whose sum is σ = 1410741494800. Its totient is φ = 1269667345284.

The previous prime is 1340204420011. The next prime is 1340204420077. The reversal of 1340204420041 is 1400244020431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1340204420041 - 2¹³ = 1340204411849 is a prime.

It is a super-2 number, since 2×1340204420041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340204419988 and 1340204420015.

It is not an unprimeable number, because it can be changed into a prime (1340204420011) 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 3 ways as a sum of consecutive naturals, for example, 35268537351 + ... + 35268537388.

It is an arithmetic number, because the mean of its divisors is an integer number (352685373700).

Almost surely, 2^{1340204420041} is an apocalyptic number.

It is an amenable number.

1340204420041 is a deficient number, since it is larger than the sum of its proper divisors (70537074759).

1340204420041 is an equidigital number, since it uses as much as digits as its factorization.

1340204420041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70537074758.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1340204420041 its reverse (1400244020431), we get a palindrome (2740448440472).

The spelling of 1340204420041 in words is "one trillion, three hundred forty billion, two hundred four million, four hundred twenty thousand, forty-one".