4388040081 has 16 divisors (see below), whose sum is σ = 6523945920. Its totient is φ = 2914944480.

The previous prime is 4388040079. The next prime is 4388040091. The reversal of 4388040081 is 1800408834.

4388040081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4388040081 - 2¹ = 4388040079 is a prime.

It is a super-2 number, since 2×4388040081² = 38509791504924973122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4388040061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 281595 + ... + 296768.

It is an arithmetic number, because the mean of its divisors is an integer number (407746620).

Almost surely, 2^4388040081 is an apocalyptic number.

It is an amenable number.

4388040081 is a deficient number, since it is larger than the sum of its proper divisors (2135905839).

4388040081 is a wasteful number, since it uses less digits than its factorization.

4388040081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578653 (or 578647 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 4388040081 is about 66242.2831807600. The cubic root of 4388040081 is about 1637.1564945490.

The spelling of 4388040081 in words is "four billion, three hundred eighty-eight million, forty thousand, eighty-one".