340643544056 has 32 divisors (see below), whose sum is σ = 666811625760. Its totient is φ = 162834557952.

The previous prime is 340643544019. The next prime is 340643544127. The reversal of 340643544056 is 650445346043.

It is a super-2 number, since 2×340643544056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340643543998 and 340643544016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97745 + ... + 831168.

It is an arithmetic number, because the mean of its divisors is an integer number (20837863305).

Almost surely, 2^340643544056 is an apocalyptic number.

It is an amenable number.

340643544056 is a deficient number, since it is larger than the sum of its proper divisors (326168081704).

340643544056 is a wasteful number, since it uses less digits than its factorization.

340643544056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930935 (or 930931 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 340643544056 in words is "three hundred forty billion, six hundred forty-three million, five hundred forty-four thousand, fifty-six".