6820007444 has 12 divisors (see below), whose sum is σ = 11984952000. Its totient is φ = 3395735448.

The previous prime is 6820007417. The next prime is 6820007479. The reversal of 6820007444 is 4447000286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565994 + ... + 3567905.

It is an arithmetic number, because the mean of its divisors is an integer number (998746000).

Almost surely, 2^6820007444 is an apocalyptic number.

It is an amenable number.

6820007444 is a deficient number, since it is larger than the sum of its proper divisors (5164944556).

6820007444 is a wasteful number, since it uses less digits than its factorization.

6820007444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134142 (or 7134140 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 6820007444 is about 82583.3363578876. The cubic root of 6820007444 is about 1896.3927350401.

The spelling of 6820007444 in words is "six billion, eight hundred twenty million, seven thousand, four hundred forty-four".