444026620444 has 24 divisors (see below), whose sum is σ = 848969671536. Its totient is φ = 201524928000.

The previous prime is 444026620423. The next prime is 444026620483.

It is a happy number.

444026620444 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 444026620397 and 444026620406.

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, 7604437 + ... + 7662604.

It is an arithmetic number, because the mean of its divisors is an integer number (35373736314).

Almost surely, 2^444026620444 is an apocalyptic number.

444026620444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444026620444 is a deficient number, since it is larger than the sum of its proper divisors (404943051092).

444026620444 is a wasteful number, since it uses less digits than its factorization.

444026620444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15267717 (or 15267715 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

The spelling of 444026620444 in words is "four hundred forty-four billion, twenty-six million, six hundred twenty thousand, four hundred forty-four".