340654306346 has 4 divisors (see below), whose sum is σ = 510981459522. Its totient is φ = 170327153172.

The previous prime is 340654306313. The next prime is 340654306397. The reversal of 340654306346 is 643603456043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643603456043 = 173 ⋅3720251191.

It can be written as a sum of positive squares in only one way, i.e., 234938937025 + 105715369321 = 484705^2 + 325139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 340654306297 and 340654306306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85163576585 + ... + 85163576588.

Almost surely, 2^340654306346 is an apocalyptic number.

340654306346 is a deficient number, since it is larger than the sum of its proper divisors (170327153176).

340654306346 is a wasteful number, since it uses less digits than its factorization.

340654306346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170327153175.

The product of its (nonzero) digits is 1866240, while the sum is 44.

The spelling of 340654306346 in words is "three hundred forty billion, six hundred fifty-four million, three hundred six thousand, three hundred forty-six".