680408824448 has 32 divisors (see below), whose sum is σ = 1355798377920. Its totient is φ = 340130016000.

The previous prime is 680408824439. The next prime is 680408824489. The reversal of 680408824448 is 844428804086.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 680408824393 and 680408824402.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8723 + ... + 1166573.

It is an arithmetic number, because the mean of its divisors is an integer number (42368699310).

Almost surely, 2^680408824448 is an apocalyptic number.

It is an amenable number.

680408824448 is a deficient number, since it is larger than the sum of its proper divisors (675389553472).

680408824448 is a wasteful number, since it uses less digits than its factorization.

680408824448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162456 (or 1162444 counting only the distinct ones).

The product of its (nonzero) digits is 12582912, while the sum is 56.

The spelling of 680408824448 in words is "six hundred eighty billion, four hundred eight million, eight hundred twenty-four thousand, four hundred forty-eight".