444420420244 has 12 divisors (see below), whose sum is σ = 792409994964. Its totient is φ = 218017564544.

The previous prime is 444420420229. The next prime is 444420420251. The reversal of 444420420244 is 442024024444.

It can be written as a sum of positive squares in 2 ways, for example, as 244085402500 + 200335017744 = 494050^2 + 447588^2 .

It is a super-3 number, since 3×444420420244³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048161157 + ... + 1048161580.

It is an arithmetic number, because the mean of its divisors is an integer number (66034166247).

Almost surely, 2^444420420244 is an apocalyptic number.

It is an amenable number.

444420420244 is a deficient number, since it is larger than the sum of its proper divisors (347989574720).

444420420244 is a wasteful number, since it uses less digits than its factorization.

444420420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096322794 (or 2096322792 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 444420420244 its reverse (442024024444), we get a palindrome (886444444688).

The spelling of 444420420244 in words is "four hundred forty-four billion, four hundred twenty million, four hundred twenty thousand, two hundred forty-four".