4004431133 has 16 divisors (see below), whose sum is σ = 4111788096. Its totient is φ = 3898742400.

The previous prime is 4004431121. The next prime is 4004431139. The reversal of 4004431133 is 3311344004.

It is a cyclic number.

It is not a de Polignac number, because 4004431133 - 2⁴ = 4004431117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4004431099 and 4004431108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004431139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3442610 + ... + 3443772.

It is an arithmetic number, because the mean of its divisors is an integer number (256986756).

Almost surely, 2^4004431133 is an apocalyptic number.

It is an amenable number.

4004431133 is a deficient number, since it is larger than the sum of its proper divisors (107356963).

4004431133 is a wasteful number, since it uses less digits than its factorization.

4004431133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4004431133 is about 63280.5746892362. The cubic root of 4004431133 is about 1587.9870010854.

Adding to 4004431133 its reverse (3311344004), we get a palindrome (7315775137).

The spelling of 4004431133 in words is "four billion, four million, four hundred thirty-one thousand, one hundred thirty-three".