340440220063 has 2 divisors, whose sum is σ = 340440220064. Its totient is φ = 340440220062.

The previous prime is 340440220051. The next prime is 340440220093. The reversal of 340440220063 is 360022044043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340440220063 - 2¹³ = 340440211871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340440220033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170220110031 + 170220110032.

It is an arithmetic number, because the mean of its divisors is an integer number (170220110032).

Almost surely, 2^340440220063 is an apocalyptic number.

340440220063 is a deficient number, since it is larger than the sum of its proper divisors (1).

340440220063 is an equidigital number, since it uses as much as digits as its factorization.

340440220063 is an evil number, because the sum of its binary digits is even.

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

The spelling of 340440220063 in words is "three hundred forty billion, four hundred forty million, two hundred twenty thousand, sixty-three".