4122440140 has 144 divisors (see below), whose sum is σ = 11014387776. Its totient is φ = 1262062080.

The previous prime is 4122440129. The next prime is 4122440209. The reversal of 4122440140 is 410442214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1747842 + ... + 1750198.

It is an arithmetic number, because the mean of its divisors is an integer number (76488804).

Almost surely, 2^4122440140 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 4122440140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5507193888).

4122440140 is an abundant number, since it is smaller than the sum of its proper divisors (6891947636).

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

4122440140 is a wasteful number, since it uses less digits than its factorization.

4122440140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4122440140 is about 64206.2313175287. The cubic root of 4122440140 is about 1603.4353452853.

Adding to 4122440140 its reverse (410442214), we get a palindrome (4532882354).

The spelling of 4122440140 in words is "four billion, one hundred twenty-two million, four hundred forty thousand, one hundred forty".