444345484543444 has 18 divisors (see below), whose sum is σ = 854722409319002. Its totient is φ = 201975220246800.

The previous prime is 444345484543399. The next prime is 444345484543447.

444345484543444 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 396311741456400 + 48033743087044 = 19907580^2 + 6930638^2 .

It is a super-2 number, since 2×444345484543444² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444345484543447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459034590987 + ... + 459034591954.

Almost surely, 2^{444345484543444} is an apocalyptic number.

444345484543444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444345484543444 is a deficient number, since it is larger than the sum of its proper divisors (410376924775558).

444345484543444 is a wasteful number, since it uses less digits than its factorization.

444345484543444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918069182967 (or 918069182954 counting only the distinct ones).

The product of its digits is 1887436800, while the sum is 64.

The spelling of 444345484543444 in words is "four hundred forty-four trillion, three hundred forty-five billion, four hundred eighty-four million, five hundred forty-three thousand, four hundred forty-four".