1340441124461 has 2 divisors, whose sum is σ = 1340441124462. Its totient is φ = 1340441124460.

The previous prime is 1340441124437. The next prime is 1340441124467. The reversal of 1340441124461 is 1644211440431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1321823886436 + 18617238025 = 1149706^2 + 136445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340441124461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340441124467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670220562230 + 670220562231.

It is an arithmetic number, because the mean of its divisors is an integer number (670220562231).

Almost surely, 2^{1340441124461} is an apocalyptic number.

It is an amenable number.

1340441124461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340441124461 is an equidigital number, since it uses as much as digits as its factorization.

1340441124461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 1340441124461 its reverse (1644211440431), we get a palindrome (2984652564892).

The spelling of 1340441124461 in words is "one trillion, three hundred forty billion, four hundred forty-one million, one hundred twenty-four thousand, four hundred sixty-one".