340260635641 has 2 divisors, whose sum is σ = 340260635642. Its totient is φ = 340260635640.

The previous prime is 340260635621. The next prime is 340260635699. The reversal of 340260635641 is 146536062043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301774435600 + 38486200041 = 549340^2 + 196179^2 .

It is a cyclic number.

It is not a de Polignac number, because 340260635641 - 2¹³ = 340260627449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340260635594 and 340260635603.

It is not a weakly prime, because it can be changed into another prime (340260635621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170130317820 + 170130317821.

It is an arithmetic number, because the mean of its divisors is an integer number (170130317821).

Almost surely, 2^340260635641 is an apocalyptic number.

It is an amenable number.

340260635641 is a deficient number, since it is larger than the sum of its proper divisors (1).

340260635641 is an equidigital number, since it uses as much as digits as its factorization.

340260635641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 340260635641 its reverse (146536062043), we get a palindrome (486796697684).

The spelling of 340260635641 in words is "three hundred forty billion, two hundred sixty million, six hundred thirty-five thousand, six hundred forty-one".