4105020140 has 72 divisors (see below), whose sum is σ = 9355091760. Its totient is φ = 1512386304.

The previous prime is 4105020001. The next prime is 4105020149. The reversal of 4105020140 is 410205014.

It is not an unprimeable number, because it can be changed into a prime (4105020149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1983026 + ... + 1985094.

It is an arithmetic number, because the mean of its divisors is an integer number (129931830).

Almost surely, 2^4105020140 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 4105020140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4677545880).

4105020140 is an abundant number, since it is smaller than the sum of its proper divisors (5250071620).

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

4105020140 is a wasteful number, since it uses less digits than its factorization.

4105020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4105020140 is about 64070.4310895440. The cubic root of 4105020140 is about 1601.1736362965.

Adding to 4105020140 its reverse (410205014), we get a palindrome (4515225154).

The spelling of 4105020140 in words is "four billion, one hundred five million, twenty thousand, one hundred forty".