4002040433 has 4 divisors (see below), whose sum is σ = 4212674160. Its totient is φ = 3791406708.

The previous prime is 4002040423. The next prime is 4002040439. The reversal of 4002040433 is 3340402004.

It is a happy number.

4002040433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4002040433 - 2⁴ = 4002040417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002040439) 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, 105316835 + ... + 105316872.

It is an arithmetic number, because the mean of its divisors is an integer number (1053168540).

Almost surely, 2^4002040433 is an apocalyptic number.

It is an amenable number.

4002040433 is a deficient number, since it is larger than the sum of its proper divisors (210633727).

4002040433 is a wasteful number, since it uses less digits than its factorization.

4002040433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210633726.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4002040433 is about 63261.6821859805. The cubic root of 4002040433 is about 1587.6709215434.

Adding to 4002040433 its reverse (3340402004), we get a palindrome (7342442437).

The spelling of 4002040433 in words is "four billion, two million, forty thousand, four hundred thirty-three".