340590618568 has 8 divisors (see below), whose sum is σ = 638607409830. Its totient is φ = 170295309280.

The previous prime is 340590618547. The next prime is 340590618569. The reversal of 340590618568 is 865816095043.

It can be written as a sum of positive squares in only one way, i.e., 214126456644 + 126464161924 = 462738^2 + 355618^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (340590618569) 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 as a sum of consecutive naturals, namely, 21286913653 + ... + 21286913668.

Almost surely, 2^340590618568 is an apocalyptic number.

It is an amenable number.

340590618568 is a deficient number, since it is larger than the sum of its proper divisors (298016791262).

340590618568 is a wasteful number, since it uses less digits than its factorization.

340590618568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42573827327 (or 42573827323 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 340590618568 in words is "three hundred forty billion, five hundred ninety million, six hundred eighteen thousand, five hundred sixty-eight".