4440021023020 has 36 divisors (see below), whose sum is σ = 10248742747152. Its totient is φ = 1614553098400.

The previous prime is 4440021022991. The next prime is 4440021023041. The reversal of 4440021023020 is 203201200444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4440021022982 and 4440021023000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917357296 + ... + 917362135.

It is an arithmetic number, because the mean of its divisors is an integer number (284687298532).

Almost surely, 2^{4440021023020} is an apocalyptic number.

It is an amenable number.

4440021023020 is an abundant number, since it is smaller than the sum of its proper divisors (5808721724132).

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

4440021023020 is a wasteful number, since it uses less digits than its factorization.

4440021023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834719462 (or 1834719449 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 4440021023020 its reverse (203201200444), we get a palindrome (4643222223464).

The spelling of 4440021023020 in words is "four trillion, four hundred forty billion, twenty-one million, twenty-three thousand, twenty".