44152142221000 has 256 divisors, whose sum is σ = 118884286310400. Its totient is φ = 15179039712000.

The previous prime is 44152142220971. The next prime is 44152142221007. The reversal of 44152142221000 is 12224125144.

It is a self number, because there is not a number n which added to its sum of digits gives 44152142221000.

It is not an unprimeable number, because it can be changed into a prime (44152142221007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101566107 + ... + 101999893.

It is an arithmetic number, because the mean of its divisors is an integer number (464391743400).

Almost surely, 2^{44152142221000} is an apocalyptic number.

44152142221000 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 44152142221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59442143155200).

44152142221000 is an abundant number, since it is smaller than the sum of its proper divisors (74732144089400).

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

44152142221000 is a wasteful number, since it uses less digits than its factorization.

44152142221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434325 (or 434311 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 44152142221000 its reverse (12224125144), we get a palindrome (44164366346144).

The spelling of 44152142221000 in words is "forty-four trillion, one hundred fifty-two billion, one hundred forty-two million, two hundred twenty-one thousand".