4423544040 has 32 divisors (see below), whose sum is σ = 13270632480. Its totient is φ = 1179611712.

The previous prime is 4423544009. The next prime is 4423544053. The reversal of 4423544040 is 404453244.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4423543989 and 4423544007.

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 7 ways as a sum of consecutive naturals, for example, 18431314 + ... + 18431553.

It is an arithmetic number, because the mean of its divisors is an integer number (414707265).

Almost surely, 2^4423544040 is an apocalyptic number.

4423544040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4423544040 is an abundant number, since it is smaller than the sum of its proper divisors (8847088440).

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

4423544040 is a wasteful number, since it uses less digits than its factorization.

4423544040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36862881 (or 36862877 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 4423544040 is about 66509.7289123930. The cubic root of 4423544040 is about 1641.5600909051.

Adding to 4423544040 its reverse (404453244), we get a palindrome (4827997284).

The spelling of 4423544040 in words is "four billion, four hundred twenty-three million, five hundred forty-four thousand, forty".