4020240044 has 24 divisors (see below), whose sum is σ = 7058787120. Its totient is φ = 2003457344.

The previous prime is 4020240011. The next prime is 4020240047. The reversal of 4020240044 is 4400420204.

It is a super-2 number, since 2×4020240044² = 32324660022762243872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4020239998 and 4020240025.

It is not an unprimeable number, because it can be changed into a prime (4020240047) 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, 2036642 + ... + 2038614.

It is an arithmetic number, because the mean of its divisors is an integer number (294116130).

Almost surely, 2^4020240044 is an apocalyptic number.

It is an amenable number.

4020240044 is a deficient number, since it is larger than the sum of its proper divisors (3038547076).

4020240044 is a wasteful number, since it uses less digits than its factorization.

4020240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4020240044 is about 63405.3628962093. The cubic root of 4020240044 is about 1590.0739709531.

Adding to 4020240044 its reverse (4400420204), we get a palindrome (8420660248).

The spelling of 4020240044 in words is "four billion, twenty million, two hundred forty thousand, forty-four".