44440407280000 has 160 divisors (see below), whose sum is σ = 110655981219960. Its totient is φ = 17772248064000.

The previous prime is 44440407279997. The next prime is 44440407280007. The reversal of 44440407280000 is 8270404444.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440407280007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 377781192 + ... + 377898808.

Almost surely, 2^{44440407280000} is an apocalyptic number.

44440407280000 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 44440407280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55327990609980).

44440407280000 is an abundant number, since it is smaller than the sum of its proper divisors (66215573939960).

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

44440407280000 is an equidigital number, since it uses as much as digits as its factorization.

44440407280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122374 (or 122347 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 37.

Adding to 44440407280000 its reverse (8270404444), we get a palindrome (44448677684444).

The spelling of 44440407280000 in words is "forty-four trillion, four hundred forty billion, four hundred seven million, two hundred eighty thousand".