444163361444 has 48 divisors (see below), whose sum is σ = 856585388736. Its totient is φ = 199837104000.

The previous prime is 444163361443. The next prime is 444163361461.

It is a happy number.

444163361444 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 444163361395 and 444163361404.

It is not an unprimeable number, because it can be changed into a prime (444163361443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18461687 + ... + 18485729.

It is an arithmetic number, because the mean of its divisors is an integer number (17845528932).

Almost surely, 2^444163361444 is an apocalyptic number.

444163361444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444163361444 is a deficient number, since it is larger than the sum of its proper divisors (412422027292).

444163361444 is a wasteful number, since it uses less digits than its factorization.

444163361444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28316 (or 28314 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 44.

The spelling of 444163361444 in words is "four hundred forty-four billion, one hundred sixty-three million, three hundred sixty-one thousand, four hundred forty-four".