680384632 has 8 divisors (see below), whose sum is σ = 1275721200. Its totient is φ = 340192312.

The previous prime is 680384629. The next prime is 680384633. The reversal of 680384632 is 236483086.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680384633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42524032 + ... + 42524047.

It is an arithmetic number, because the mean of its divisors is an integer number (159465150).

Almost surely, 2^680384632 is an apocalyptic number.

It is an amenable number.

680384632 is a deficient number, since it is larger than the sum of its proper divisors (595336568).

680384632 is a wasteful number, since it uses less digits than its factorization.

680384632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85048085 (or 85048081 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 680384632 is about 26084.1835601577. The cubic root of 680384632 is about 879.5317033170.

The spelling of 680384632 in words is "six hundred eighty million, three hundred eighty-four thousand, six hundred thirty-two".