680244000 has 96 divisors (see below), whose sum is σ = 2228518656. Its totient is φ = 181395200.

The previous prime is 680243959. The next prime is 680244007. The reversal of 680244000 is 442086.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (680244007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16344 + ... + 40343.

It is an arithmetic number, because the mean of its divisors is an integer number (23213736).

Almost surely, 2^680244000 is an apocalyptic number.

680244000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680244000 is an abundant number, since it is smaller than the sum of its proper divisors (1548274656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680244000 is a wasteful number, since it uses less digits than its factorization.

680244000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56715 (or 56697 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 680244000 is about 26081.4876876301. The cubic root of 680244000 is about 879.4711009166.

Adding to 680244000 its reverse (442086), we get a palindrome (680686086).

The spelling of 680244000 in words is "six hundred eighty million, two hundred forty-four thousand".