6442202206444 has 24 divisors (see below), whose sum is σ = 11794545620928. Its totient is φ = 3075675154560.

The previous prime is 6442202206441. The next prime is 6442202206463. The reversal of 6442202206444 is 4446022022446.

It is a junction number, because it is equal to n+sod(n) for n = 6442202206397 and 6442202206406.

It is not an unprimeable number, because it can be changed into a prime (6442202206441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417882939 + ... + 417898354.

It is an arithmetic number, because the mean of its divisors is an integer number (491439400872).

Almost surely, 2^{6442202206444} is an apocalyptic number.

It is an amenable number.

6442202206444 is a deficient number, since it is larger than the sum of its proper divisors (5352343414484).

6442202206444 is a wasteful number, since it uses less digits than its factorization.

6442202206444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835781385 (or 835781383 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

The spelling of 6442202206444 in words is "six trillion, four hundred forty-two billion, two hundred two million, two hundred six thousand, four hundred forty-four".