680410844 has 12 divisors (see below), whose sum is σ = 1218410424. Its totient is φ = 332293584.

The previous prime is 680410823. The next prime is 680410853. The reversal of 680410844 is 448014086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977767 + ... + 1978110.

It is an arithmetic number, because the mean of its divisors is an integer number (101534202).

Almost surely, 2^680410844 is an apocalyptic number.

It is an amenable number.

680410844 is a deficient number, since it is larger than the sum of its proper divisors (537999580).

680410844 is a wasteful number, since it uses less digits than its factorization.

680410844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955924 (or 3955922 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 680410844 is about 26084.6860053940. The cubic root of 680410844 is about 879.5429979033.

The spelling of 680410844 in words is "six hundred eighty million, four hundred ten thousand, eight hundred forty-four".