4446140140 has 48 divisors (see below), whose sum is σ = 10061362080. Its totient is φ = 1640632320.

The previous prime is 4446140129. The next prime is 4446140213. The reversal of 4446140140 is 410416444.

It is a junction number, because it is equal to n+sod(n) for n = 4446140099 and 4446140108.

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, 510220 + ... + 518860.

It is an arithmetic number, because the mean of its divisors is an integer number (209611710).

Almost surely, 2^4446140140 is an apocalyptic number.

It is an amenable number.

4446140140 is an abundant number, since it is smaller than the sum of its proper divisors (5615221940).

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

4446140140 is a wasteful number, since it uses less digits than its factorization.

4446140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642 (or 10640 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 4446140140 is about 66679.3831705123. The cubic root of 4446140140 is about 1644.3504535429.

Adding to 4446140140 its reverse (410416444), we get a palindrome (4856556584).

The spelling of 4446140140 in words is "four billion, four hundred forty-six million, one hundred forty thousand, one hundred forty".