340255277377 has 4 divisors (see below), whose sum is σ = 340771598640. Its totient is φ = 339738956116.

The previous prime is 340255277339. The next prime is 340255277393. The reversal of 340255277377 is 773772552043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773772552043 = 97 ⋅7977036619.

It is a cyclic number.

It is not a de Polignac number, because 340255277377 - 2⁷ = 340255277249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340255277317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258159643 + ... + 258160960.

It is an arithmetic number, because the mean of its divisors is an integer number (85192899660).

Almost surely, 2^340255277377 is an apocalyptic number.

It is an amenable number.

340255277377 is a deficient number, since it is larger than the sum of its proper divisors (516321263).

340255277377 is an equidigital number, since it uses as much as digits as its factorization.

340255277377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516321262.

The product of its (nonzero) digits is 8643600, while the sum is 52.

The spelling of 340255277377 in words is "three hundred forty billion, two hundred fifty-five million, two hundred seventy-seven thousand, three hundred seventy-seven".