444322161223444 has 48 divisors (see below), whose sum is σ = 897464053584000. Its totient is φ = 188533930377600.

The previous prime is 444322161223427. The next prime is 444322161223529.

444322161223444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×444322161223444² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444322161223394 and 444322161223403.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 118849807 + ... + 122531305.

It is an arithmetic number, because the mean of its divisors is an integer number (18697167783000).

Almost surely, 2^{444322161223444} is an apocalyptic number.

It is an amenable number.

444322161223444 is an abundant number, since it is smaller than the sum of its proper divisors (453141892360556).

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

444322161223444 is a wasteful number, since it uses less digits than its factorization.

444322161223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724288 (or 3724286 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 46.

The spelling of 444322161223444 in words is "four hundred forty-four trillion, three hundred twenty-two billion, one hundred sixty-one million, two hundred twenty-three thousand, four hundred forty-four".