4021444433 has 8 divisors (see below), whose sum is σ = 4065151008. Its totient is φ = 3977946144.

The previous prime is 4021444423. The next prime is 4021444439. The reversal of 4021444433 is 3344441204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4021444433 - 2¹² = 4021440337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021444396 and 4021444405.

It is not an unprimeable number, because it can be changed into a prime (4021444439) 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, 13091 + ... + 90632.

It is an arithmetic number, because the mean of its divisors is an integer number (508143876).

Almost surely, 2^4021444433 is an apocalyptic number.

It is an amenable number.

4021444433 is a deficient number, since it is larger than the sum of its proper divisors (43706575).

4021444433 is a wasteful number, since it uses less digits than its factorization.

4021444433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104143.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 4021444433 is about 63414.8597175772. The cubic root of 4021444433 is about 1590.2327406096.

Adding to 4021444433 its reverse (3344441204), we get a palindrome (7365885637).

The spelling of 4021444433 in words is "four billion, twenty-one million, four hundred forty-four thousand, four hundred thirty-three".