340194560644 has 27 divisors (see below), whose sum is σ = 628364271717. Its totient is φ = 161134293168.

The previous prime is 340194560621. The next prime is 340194560659. The reversal of 340194560644 is 446065491043.

The square root of 340194560644 is 583262.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 113123250244 + 227071310400 = 336338^2 + 476520^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340194560594 and 340194560603.

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 8 ways as a sum of consecutive naturals, for example, 22156282 + ... + 22171630.

Almost surely, 2^340194560644 is an apocalyptic number.

340194560644 is the 583262-nd square number.

It is an amenable number.

340194560644 is a deficient number, since it is larger than the sum of its proper divisors (288169711073).

340194560644 is an frugal number, since it uses more digits than its factorization.

340194560644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30740 (or 15370 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 340194560644 in words is "three hundred forty billion, one hundred ninety-four million, five hundred sixty thousand, six hundred forty-four".