4550889728 has 288 divisors, whose sum is σ = 12362112000. Its totient is φ = 1617960960.

The previous prime is 4550889677. The next prime is 4550889737. The reversal of 4550889728 is 8279880554.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10861103 + ... + 10861521.

It is an arithmetic number, because the mean of its divisors is an integer number (42924000).

Almost surely, 2^4550889728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4550889728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6181056000).

4550889728 is an abundant number, since it is smaller than the sum of its proper divisors (7811222272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4550889728 is a wasteful number, since it uses less digits than its factorization.

4550889728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 56.

The square root of 4550889728 is about 67460.2825965027. The cubic root of 4550889728 is about 1657.1637987501.

The spelling of 4550889728 in words is "four billion, five hundred fifty million, eight hundred eighty-nine thousand, seven hundred twenty-eight".