4388988888 has 40 divisors (see below), whose sum is σ = 12293234580. Its totient is φ = 1462996080.

The previous prime is 4388988881. The next prime is 4388988911. The reversal of 4388988888 is 8888898834.

4388988888 is a `hidden beast` number, since 4 + 388 + 98 + 88 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4388988881) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3385918 + ... + 3387213.

Almost surely, 2^4388988888 is an apocalyptic number.

It is an amenable number.

4388988888 is an abundant number, since it is smaller than the sum of its proper divisors (7904245692).

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

4388988888 is a wasteful number, since it uses less digits than its factorization.

4388988888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773149 (or 6773136 counting only the distinct ones).

The product of its digits is 226492416, while the sum is 72.

The square root of 4388988888 is about 66249.4444354064. Note that the first 4 decimals coincide. The cubic root of 4388988888 is about 1637.2744844768.

The spelling of 4388988888 in words is "four billion, three hundred eighty-eight million, nine hundred eighty-eight thousand, eight hundred eighty-eight".