4020404433 has 4 divisors (see below), whose sum is σ = 5360539248. Its totient is φ = 2680269620.

The previous prime is 4020404431. The next prime is 4020404441. The reversal of 4020404433 is 3344040204.

It is a happy number.

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 4020404433 - 2¹ = 4020404431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4020404431) 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, 670067403 + ... + 670067408.

It is an arithmetic number, because the mean of its divisors is an integer number (1340134812).

Almost surely, 2^4020404433 is an apocalyptic number.

It is an amenable number.

4020404433 is a deficient number, since it is larger than the sum of its proper divisors (1340134815).

4020404433 is a wasteful number, since it uses less digits than its factorization.

4020404433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340134814.

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

The square root of 4020404433 is about 63406.6592165208. The cubic root of 4020404433 is about 1590.0956435485.

Adding to 4020404433 its reverse (3344040204), we get a palindrome (7364444637).

The spelling of 4020404433 in words is "four billion, twenty million, four hundred four thousand, four hundred thirty-three".