4040030 has 32 divisors (see below), whose sum is σ = 7633440. Its totient is φ = 1537920.

The previous prime is 4040021. The next prime is 4040041. The reversal of 4040030 is 300404.

It is a junction number, because it is equal to n+sod(n) for n = 4039993 and 4040020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22481 + ... + 22659.

It is an arithmetic number, because the mean of its divisors is an integer number (238545).

Almost surely, 2^4040030 is an apocalyptic number.

4040030 is a deficient number, since it is larger than the sum of its proper divisors (3593410).

4040030 is a wasteful number, since it uses less digits than its factorization.

4040030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 4040030 is about 2009.9825869893. The cubic root of 4040030 is about 159.2678790613.

Adding to 4040030 its reverse (300404), we get a palindrome (4340434).

The spelling of 4040030 in words is "four million, forty thousand, thirty", and thus it is an eban number.