4040029 has 4 divisors (see below), whose sum is σ = 4617184. Its totient is φ = 3462876.

The previous prime is 4040021. The next prime is 4040041. The reversal of 4040029 is 9200404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4040029 - 2³ = 4040021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4039988 and 4040015.

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, 288567 + ... + 288580.

It is an arithmetic number, because the mean of its divisors is an integer number (1154296).

Almost surely, 2^4040029 is an apocalyptic number.

It is an amenable number.

4040029 is a deficient number, since it is larger than the sum of its proper divisors (577155).

4040029 is an equidigital number, since it uses as much as digits as its factorization.

4040029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577154.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4040029 is about 2009.9823382309. The cubic root of 4040029 is about 159.2678659204.

The spelling of 4040029 in words is "four million, forty thousand, twenty-nine".