340406230340256 has 96 divisors (see below), whose sum is σ = 946168897746240. Its totient is φ = 106789617217536.

The previous prime is 340406230340227. The next prime is 340406230340317. The reversal of 340406230340256 is 652043032604043.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34508650 + ... + 43262678.

It is an arithmetic number, because the mean of its divisors is an integer number (9855926018190).

Almost surely, 2^{340406230340256} is an apocalyptic number.

It is an amenable number.

340406230340256 is an abundant number, since it is smaller than the sum of its proper divisors (605762667405984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340406230340256 is a wasteful number, since it uses less digits than its factorization.

340406230340256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8777886 (or 8777878 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 42.

Adding to 340406230340256 its reverse (652043032604043), we get a palindrome (992449262944299).

The spelling of 340406230340256 in words is "three hundred forty trillion, four hundred six billion, two hundred thirty million, three hundred forty thousand, two hundred fifty-six".