4445243540000 has 240 divisors, whose sum is σ = 11343173022720. Its totient is φ = 1712215680000.

The previous prime is 4445243539927. The next prime is 4445243540041. The reversal of 4445243540000 is 453425444.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 222129995 + ... + 222150005.

It is an arithmetic number, because the mean of its divisors is an integer number (47263220928).

Almost surely, 2^{4445243540000} is an apocalyptic number.

4445243540000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4445243540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5671586511360).

4445243540000 is an abundant number, since it is smaller than the sum of its proper divisors (6897929482720).

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

4445243540000 is a wasteful number, since it uses less digits than its factorization.

4445243540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20453 (or 20430 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 4445243540000 its reverse (453425444), we get a palindrome (4445696965444).

The spelling of 4445243540000 in words is "four trillion, four hundred forty-five billion, two hundred forty-three million, five hundred forty thousand".