680270140 has 24 divisors (see below), whose sum is σ = 1558437552. Its totient is φ = 247370880.

The previous prime is 680270117. The next prime is 680270153. The reversal of 680270140 is 41072086.

It is a junction number, because it is equal to n+sod(n) for n = 680270099 and 680270108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545849 + ... + 1546288.

It is an arithmetic number, because the mean of its divisors is an integer number (64934898).

Almost surely, 2^680270140 is an apocalyptic number.

It is an amenable number.

680270140 is an abundant number, since it is smaller than the sum of its proper divisors (878167412).

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

680270140 is a wasteful number, since it uses less digits than its factorization.

680270140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092157 (or 3092155 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 680270140 is about 26081.9888045371. The cubic root of 680270140 is about 879.4823660314.

The spelling of 680270140 in words is "six hundred eighty million, two hundred seventy thousand, one hundred forty".