6444820700004 has 24 divisors (see below), whose sum is σ = 15037964087328. Its totient is φ = 2148266549440.

The previous prime is 6444820699981. The next prime is 6444820700023. The reversal of 6444820700004 is 4000070284446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4062184 + ... + 5421344.

It is an arithmetic number, because the mean of its divisors is an integer number (626581836972).

Almost surely, 2^{6444820700004} is an apocalyptic number.

It is an amenable number.

6444820700004 is an abundant number, since it is smaller than the sum of its proper divisors (8593143387324).

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

6444820700004 is a wasteful number, since it uses less digits than its factorization.

6444820700004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754315 (or 1754313 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The spelling of 6444820700004 in words is "six trillion, four hundred forty-four billion, eight hundred twenty million, seven hundred thousand, four".