444645444546444 has 12 divisors (see below), whose sum is σ = 1037506037275064. Its totient is φ = 148215148182144.

The previous prime is 444645444546353. The next prime is 444645444546449.

444645444546444 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (444645444546449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18526893522757 + ... + 18526893522780.

Almost surely, 2^{444645444546444} is an apocalyptic number.

It is an amenable number.

444645444546444 is an abundant number, since it is smaller than the sum of its proper divisors (592860592728620).

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

444645444546444 is a wasteful number, since it uses less digits than its factorization.

444645444546444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37053787045544 (or 37053787045542 counting only the distinct ones).

The product of its digits is 3774873600, while the sum is 66.

The spelling of 444645444546444 in words is "four hundred forty-four trillion, six hundred forty-five billion, four hundred forty-four million, five hundred forty-six thousand, four hundred forty-four".