4040072 has 16 divisors (see below), whose sum is σ = 7650240. Its totient is φ = 2000016.

The previous prime is 4040059. The next prime is 4040083. The reversal of 4040072 is 2700404.

4040072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4040072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628 + ... + 3275.

It is an arithmetic number, because the mean of its divisors is an integer number (478140).

Almost surely, 2^4040072 is an apocalyptic number.

It is an amenable number.

4040072 is a deficient number, since it is larger than the sum of its proper divisors (3610168).

4040072 is a wasteful number, since it uses less digits than its factorization.

4040072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 4040072 is about 2009.9930348138. The cubic root of 4040072 is about 159.2684309736.

Adding to 4040072 its reverse (2700404), we get a palindrome (6740476).

The spelling of 4040072 in words is "four million, forty thousand, seventy-two".