4400052540 has 192 divisors, whose sum is σ = 14139546624. Its totient is φ = 1012764672.

The previous prime is 4400052511. The next prime is 4400052551. The reversal of 4400052540 is 452500044.

It is a self number, because there is not a number n which added to its sum of digits gives 4400052540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2213427 + ... + 2215413.

It is an arithmetic number, because the mean of its divisors is an integer number (73643472).

Almost surely, 2^4400052540 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 4400052540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7069773312).

4400052540 is an abundant number, since it is smaller than the sum of its proper divisors (9739494084).

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

4400052540 is a wasteful number, since it uses less digits than its factorization.

4400052540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4400052540 is about 66332.8918410769. The cubic root of 4400052540 is about 1638.6490634692.

Adding to 4400052540 its reverse (452500044), we get a palindrome (4852552584).

The spelling of 4400052540 in words is "four billion, four hundred million, fifty-two thousand, five hundred forty".