64442422424446 has 16 divisors (see below), whose sum is σ = 105451531874928. Its totient is φ = 29291928198400.

The previous prime is 64442422424437. The next prime is 64442422424473.

64442422424446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64442422424393 and 64442422424402.

It is a congruent number.

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, 4322766 + ... + 12147886.

It is an arithmetic number, because the mean of its divisors is an integer number (6590720742183).

Almost surely, 2^{64442422424446} is an apocalyptic number.

64442422424446 is a deficient number, since it is larger than the sum of its proper divisors (41009109450482).

64442422424446 is a wasteful number, since it uses less digits than its factorization.

64442422424446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199467.

The product of its digits is 37748736, while the sum is 52.

It can be divided in two parts, 6444242 and 2424446, that added together give a palindrome (8868688).

The spelling of 64442422424446 in words is "sixty-four trillion, four hundred forty-two billion, four hundred twenty-two million, four hundred twenty-four thousand, four hundred forty-six".