4444000004020 has 24 divisors (see below), whose sum is σ = 9332490421800. Its totient is φ = 1777582780032.

The previous prime is 4444000003981. The next prime is 4444000004057. The reversal of 4444000004020 is 204000004444.

It can be written as a sum of positive squares in 4 ways, for example, as 1288324881936 + 3155675122084 = 1135044^2 + 1776422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4444000003982 and 4444000004000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152186 + ... + 3196174.

It is an arithmetic number, because the mean of its divisors is an integer number (388853767575).

Almost surely, 2^{4444000004020} is an apocalyptic number.

It is an amenable number.

4444000004020 is an abundant number, since it is smaller than the sum of its proper divisors (4888490417780).

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

4444000004020 is a wasteful number, since it uses less digits than its factorization.

4444000004020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152707 (or 2152705 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 4444000004020 its reverse (204000004444), we get a palindrome (4648000008464).

The spelling of 4444000004020 in words is "four trillion, four hundred forty-four billion, four thousand, twenty".