340555502281 has 2 divisors, whose sum is σ = 340555502282. Its totient is φ = 340555502280.

The previous prime is 340555502207. The next prime is 340555502311. The reversal of 340555502281 is 182205555043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244713249225 + 95842253056 = 494685^2 + 309584^2 .

It is a cyclic number.

It is not a de Polignac number, because 340555502281 - 2³⁷ = 203116548809 is a prime.

It is a super-2 number, since 2×340555502281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340555502681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170277751140 + 170277751141.

It is an arithmetic number, because the mean of its divisors is an integer number (170277751141).

Almost surely, 2^340555502281 is an apocalyptic number.

It is an amenable number.

340555502281 is a deficient number, since it is larger than the sum of its proper divisors (1).

340555502281 is an equidigital number, since it uses as much as digits as its factorization.

340555502281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 340555502281 in words is "three hundred forty billion, five hundred fifty-five million, five hundred two thousand, two hundred eighty-one".