4004023434 has 16 divisors (see below), whose sum is σ = 8052786720. Its totient is φ = 1327217840.

The previous prime is 4004023433. The next prime is 4004023451. The reversal of 4004023434 is 4343204004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4004023433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862997 + ... + 1865144.

It is an arithmetic number, because the mean of its divisors is an integer number (503299170).

Almost surely, 2^4004023434 is an apocalyptic number.

4004023434 is an abundant number, since it is smaller than the sum of its proper divisors (4048763286).

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

4004023434 is a wasteful number, since it uses less digits than its factorization.

4004023434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728325.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4004023434 is about 63277.3532474297. The cubic root of 4004023434 is about 1587.9331072310.

Adding to 4004023434 its reverse (4343204004), we get a palindrome (8347227438).

The spelling of 4004023434 in words is "four billion, four million, twenty-three thousand, four hundred thirty-four".