4381579140 has 24 divisors (see below), whose sum is σ = 12268421760. Its totient is φ = 1168421088.

The previous prime is 4381579087. The next prime is 4381579141. The reversal of 4381579140 is 419751834.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4381579092 and 4381579101.

It is not an unprimeable number, because it can be changed into a prime (4381579141) 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 7 ways as a sum of consecutive naturals, for example, 36513100 + ... + 36513219.

It is an arithmetic number, because the mean of its divisors is an integer number (511184240).

Almost surely, 2^4381579140 is an apocalyptic number.

It is an amenable number.

4381579140 is an abundant number, since it is smaller than the sum of its proper divisors (7886842620).

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

4381579140 is a wasteful number, since it uses less digits than its factorization.

4381579140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73026331 (or 73026329 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 4381579140 is about 66193.4977169208. The cubic root of 4381579140 is about 1636.3525845999.

The spelling of 4381579140 in words is "four billion, three hundred eighty-one million, five hundred seventy-nine thousand, one hundred forty".