680443326 has 24 divisors (see below), whose sum is σ = 1561017744. Its totient is φ = 213472320.

The previous prime is 680443321. The next prime is 680443373. The reversal of 680443326 is 623344086.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680443321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111530 + ... + 1112141.

It is an arithmetic number, because the mean of its divisors is an integer number (65042406).

Almost surely, 2^680443326 is an apocalyptic number.

680443326 is an abundant number, since it is smaller than the sum of its proper divisors (880574418).

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

680443326 is a wasteful number, since it uses less digits than its factorization.

680443326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223696 (or 2223693 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 680443326 is about 26085.3086238212. The cubic root of 680443326 is about 879.5569937909.

The spelling of 680443326 in words is "six hundred eighty million, four hundred forty-three thousand, three hundred twenty-six".