4081185888 has 96 divisors (see below), whose sum is σ = 11695503456. Its totient is φ = 1238519808.

The previous prime is 4081185853. The next prime is 4081185931. The reversal of 4081185888 is 8885811804.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 4081185888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68706 + ... + 113502.

It is an arithmetic number, because the mean of its divisors is an integer number (121828161).

Almost surely, 2^4081185888 is an apocalyptic number.

4081185888 is a gapful number since it is divisible by the number (48) 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 4081185888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5847751728).

4081185888 is an abundant number, since it is smaller than the sum of its proper divisors (7614317568).

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

4081185888 is a wasteful number, since it uses less digits than its factorization.

4081185888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44896 (or 44888 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 51.

The square root of 4081185888 is about 63884.1599146455. The cubic root of 4081185888 is about 1598.0687490231.

The spelling of 4081185888 in words is "four billion, eighty-one million, one hundred eighty-five thousand, eight hundred eighty-eight".