4381608140 has 96 divisors (see below), whose sum is σ = 11375306880. Its totient is φ = 1380519936.

The previous prime is 4381608139. The next prime is 4381608149. The reversal of 4381608140 is 418061834.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 4381608140.

It is not an unprimeable number, because it can be changed into a prime (4381608149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411524 + ... + 422036.

It is an arithmetic number, because the mean of its divisors is an integer number (118492780).

Almost surely, 2^4381608140 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 4381608140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5687653440).

4381608140 is an abundant number, since it is smaller than the sum of its proper divisors (6993698740).

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

4381608140 is a wasteful number, since it uses less digits than its factorization.

4381608140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771 (or 10769 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 4381608140 is about 66193.7167713069. The cubic root of 4381608140 is about 1636.3561947230.

Adding to 4381608140 its reverse (418061834), we get a palindrome (4799669974).

The spelling of 4381608140 in words is "four billion, three hundred eighty-one million, six hundred eight thousand, one hundred forty".