340255277653 has 4 divisors (see below), whose sum is σ = 340258732480. Its totient is φ = 340251822828.

The previous prime is 340255277639. The next prime is 340255277657. The reversal of 340255277653 is 356772552043.

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: 356772552043 = 3301 ⋅108080143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340255277653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340255277597 and 340255277606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340255277657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575213 + ... + 1778146.

It is an arithmetic number, because the mean of its divisors is an integer number (85064683120).

Almost surely, 2^340255277653 is an apocalyptic number.

It is an amenable number.

340255277653 is a deficient number, since it is larger than the sum of its proper divisors (3454827).

340255277653 is a wasteful number, since it uses less digits than its factorization.

340255277653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454826.

The product of its (nonzero) digits is 5292000, while the sum is 49.

The spelling of 340255277653 in words is "three hundred forty billion, two hundred fifty-five million, two hundred seventy-seven thousand, six hundred fifty-three".