4388538000 has 960 divisors, whose sum is σ = 19053066240. Its totient is φ = 857472000.

The previous prime is 4388537987. The next prime is 4388538017. The reversal of 4388538000 is 8358834.

It is a self number, because there is not a number n which added to its sum of digits gives 4388538000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 74381971 + ... + 74382029.

It is an arithmetic number, because the mean of its divisors is an integer number (19846944).

Almost surely, 2^4388538000 is an apocalyptic number.

4388538000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4388538000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9526533120).

4388538000 is an abundant number, since it is smaller than the sum of its proper divisors (14664528240).

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

4388538000 is a wasteful number, since it uses less digits than its factorization.

4388538000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 4388538000 is about 66246.0413911654. The cubic root of 4388538000 is about 1637.2184159291.

The spelling of 4388538000 in words is "four billion, three hundred eighty-eight million, five hundred thirty-eight thousand".