680004444 has 24 divisors (see below), whose sum is σ = 1813345408. Its totient is φ = 194286960.

The previous prime is 680004443. The next prime is 680004467. The reversal of 680004444 is 444400086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680004443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047562 + ... + 4047729.

Almost surely, 2^680004444 is an apocalyptic number.

It is an amenable number.

680004444 is an abundant number, since it is smaller than the sum of its proper divisors (1133340964).

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

680004444 is a wasteful number, since it uses less digits than its factorization.

680004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095305 (or 8095303 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 680004444 is about 26076.8948304816. The cubic root of 680004444 is about 879.3678500658.

The spelling of 680004444 in words is "six hundred eighty million, four thousand, four hundred forty-four".