340244421141551 has 2 divisors, whose sum is σ = 340244421141552. Its totient is φ = 340244421141550.

The previous prime is 340244421141523. The next prime is 340244421141571. The reversal of 340244421141551 is 155141124442043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340244421141551 - 2¹⁰ = 340244421140527 is a prime.

It is a super-2 number, since 2×340244421141551² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340244421141499 and 340244421141508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340244421141571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170122210570775 + 170122210570776.

It is an arithmetic number, because the mean of its divisors is an integer number (170122210570776).

Almost surely, 2^{340244421141551} is an apocalyptic number.

340244421141551 is a deficient number, since it is larger than the sum of its proper divisors (1).

340244421141551 is an equidigital number, since it uses as much as digits as its factorization.

340244421141551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 307200, while the sum is 41.

Adding to 340244421141551 its reverse (155141124442043), we get a palindrome (495385545583594).

The spelling of 340244421141551 in words is "three hundred forty trillion, two hundred forty-four billion, four hundred twenty-one million, one hundred forty-one thousand, five hundred fifty-one".