680204426 has 8 divisors (see below), whose sum is σ = 1113061824. Its totient is φ = 309183820.

The previous prime is 680204419. The next prime is 680204431. The reversal of 680204426 is 624402086.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×680204426² = 925356122299978952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 680204392 and 680204401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15459170 + ... + 15459213.

It is an arithmetic number, because the mean of its divisors is an integer number (139132728).

Almost surely, 2^680204426 is an apocalyptic number.

680204426 is a deficient number, since it is larger than the sum of its proper divisors (432857398).

680204426 is a wasteful number, since it uses less digits than its factorization.

680204426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30918396.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 680204426 is about 26080.7290158845. The cubic root of 680204426 is about 879.4540458284.

The spelling of 680204426 in words is "six hundred eighty million, two hundred four thousand, four hundred twenty-six".