4040024 has 16 divisors (see below), whose sum is σ = 7602000. Its totient is φ = 2012832.

The previous prime is 4040021. The next prime is 4040041. The reversal of 4040024 is 4200404.

It is a junction number, because it is equal to n+sod(n) for n = 4039990 and 4040008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069 + ... + 3515.

It is an arithmetic number, because the mean of its divisors is an integer number (475125).

Almost surely, 2^4040024 is an apocalyptic number.

It is an amenable number.

4040024 is a deficient number, since it is larger than the sum of its proper divisors (3561976).

4040024 is a wasteful number, since it uses less digits than its factorization.

4040024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4040024 is about 2009.9810944385. The cubic root of 4040024 is about 159.2678002163.

Adding to 4040024 its reverse (4200404), we get a palindrome (8240428).

The spelling of 4040024 in words is "four million, forty thousand, twenty-four".