680141407402 has 8 divisors (see below), whose sum is σ = 1020582701316. Its totient is φ = 339947173632.

The previous prime is 680141407313. The next prime is 680141407403. The reversal of 680141407402 is 204704141086.

It is a happy number.

680141407402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 678928208841 + 1213198561 = 823971^2 + 34831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (680141407403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61758153 + ... + 61769164.

Almost surely, 2^680141407402 is an apocalyptic number.

680141407402 is a deficient number, since it is larger than the sum of its proper divisors (340441293914).

680141407402 is a wasteful number, since it uses less digits than its factorization.

680141407402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123530072.

The product of its (nonzero) digits is 43008, while the sum is 37.

Adding to 680141407402 its reverse (204704141086), we get a palindrome (884845548488).

The spelling of 680141407402 in words is "six hundred eighty billion, one hundred forty-one million, four hundred seven thousand, four hundred two".