680262030 has 128 divisors (see below), whose sum is σ = 2163456000. Its totient is φ = 148718592.

The previous prime is 680262001. The next prime is 680262041. The reversal of 680262030 is 30262086.

680262030 is a `hidden beast` number, since 6 + 8 + 0 + 2 + 620 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 680261985 and 680262003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35646 + ... + 51294.

It is an arithmetic number, because the mean of its divisors is an integer number (16902000).

Almost surely, 2^680262030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680262030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081728000).

680262030 is an abundant number, since it is smaller than the sum of its proper divisors (1483193970).

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

680262030 is a wasteful number, since it uses less digits than its factorization.

680262030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15695 (or 15689 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 680262030 is about 26081.8333328008. The cubic root of 680262030 is about 879.4788710324.

The spelling of 680262030 in words is "six hundred eighty million, two hundred sixty-two thousand, thirty".