680140962 has 42 divisors (see below), whose sum is σ = 1531860267. Its totient is φ = 226381716.

The previous prime is 680140949. The next prime is 680141017. The reversal of 680140962 is 269041086.

It can be written as a sum of positive squares in only one way, i.e., 340070481 + 340070481 = 18441^2 + 18441^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=18441.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 995473 + ... + 996155.

Almost surely, 2^680140962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680140962

680140962 is an abundant number, since it is smaller than the sum of its proper divisors (851719305).

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

680140962 is an frugal number, since it uses more digits than its factorization.

680140962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 680140962 is about 26079.5123037222. The cubic root of 680140962 is about 879.4266935574.

The spelling of 680140962 in words is "six hundred eighty million, one hundred forty thousand, nine hundred sixty-two".