4020032444 has 24 divisors (see below), whose sum is σ = 7082166000. Its totient is φ = 1996583040.

The previous prime is 4020032441. The next prime is 4020032503. The reversal of 4020032444 is 4442300204.

It is a super-2 number, since 2×4020032444² = 32321321701625226272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020032441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735032 + ... + 740480.

It is an arithmetic number, because the mean of its divisors is an integer number (295090250).

Almost surely, 2^4020032444 is an apocalyptic number.

It is an amenable number.

4020032444 is a deficient number, since it is larger than the sum of its proper divisors (3062133556).

4020032444 is a wasteful number, since it uses less digits than its factorization.

4020032444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6653 (or 6651 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4020032444 is about 63403.7257895780. The cubic root of 4020032444 is about 1590.0466006937.

Adding to 4020032444 its reverse (4442300204), we get a palindrome (8462332648).

The spelling of 4020032444 in words is "four billion, twenty million, thirty-two thousand, four hundred forty-four".