4440020043 has 16 divisors (see below), whose sum is σ = 6214579200. Its totient is φ = 2815974240.

The previous prime is 4440020009. The next prime is 4440020051. The reversal of 4440020043 is 3400200444.

It is a de Polignac number, because none of the positive numbers 2^k-4440020043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4440020063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399108 + ... + 410081.

It is an arithmetic number, because the mean of its divisors is an integer number (388411200).

Almost surely, 2^4440020043 is an apocalyptic number.

4440020043 is a deficient number, since it is larger than the sum of its proper divisors (1774559157).

4440020043 is a wasteful number, since it uses less digits than its factorization.

4440020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809282.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4440020043 is about 66633.4753933787. The cubic root of 4440020043 is about 1643.5956261352.

Adding to 4440020043 its reverse (3400200444), we get a palindrome (7840220487).

The spelling of 4440020043 in words is "four billion, four hundred forty million, twenty thousand, forty-three".