444224413020 has 48 divisors (see below), whose sum is σ = 1251750856608. Its totient is φ = 117705319680.

The previous prime is 444224413019. The next prime is 444224413033. The reversal of 444224413020 is 20314422444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23569371 + ... + 23588210.

It is an arithmetic number, because the mean of its divisors is an integer number (26078142846).

Almost surely, 2^444224413020 is an apocalyptic number.

It is an amenable number.

444224413020 is an abundant number, since it is smaller than the sum of its proper divisors (807526443588).

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

444224413020 is a wasteful number, since it uses less digits than its factorization.

444224413020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47157750 (or 47157748 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 444224413020 its reverse (20314422444), we get a palindrome (464538835464).

The spelling of 444224413020 in words is "four hundred forty-four billion, two hundred twenty-four million, four hundred thirteen thousand, twenty".