4028450789 has 8 divisors (see below), whose sum is σ = 4399024032. Its totient is φ = 3658602640.

The previous prime is 4028450773. The next prime is 4028450801. The reversal of 4028450789 is 9870548204.

It is a happy number.

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

It is not a de Polignac number, because 4028450789 - 2⁴ = 4028450773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028450749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169619 + ... + 191904.

It is an arithmetic number, because the mean of its divisors is an integer number (549878004).

Almost surely, 2^4028450789 is an apocalyptic number.

It is an amenable number.

4028450789 is a deficient number, since it is larger than the sum of its proper divisors (370573243).

4028450789 is a wasteful number, since it uses less digits than its factorization.

4028450789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362547.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 4028450789 is about 63470.0779028985. The cubic root of 4028450789 is about 1591.1557317210.

The spelling of 4028450789 in words is "four billion, twenty-eight million, four hundred fifty thousand, seven hundred eighty-nine".