680400048 has 20 divisors (see below), whose sum is σ = 1757700248. Its totient is φ = 226800000.

The previous prime is 680400037. The next prime is 680400079. The reversal of 680400048 is 840004086.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 680399988 and 680400024.

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, 7087453 + ... + 7087548.

Almost surely, 2^680400048 is an apocalyptic number.

It is an amenable number.

680400048 is an abundant number, since it is smaller than the sum of its proper divisors (1077300200).

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

680400048 is a wasteful number, since it uses less digits than its factorization.

680400048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175012 (or 14175006 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 680400048 is about 26084.4790632284. The cubic root of 680400048 is about 879.5383460098.

The spelling of 680400048 in words is "six hundred eighty million, four hundred thousand, forty-eight".