44312421000 has 512 divisors, whose sum is σ = 157034142720. Its totient is φ = 10340352000.

The previous prime is 44312420969. The next prime is 44312421001. The reversal of 44312421000 is 12421344.

It is not an unprimeable number, because it can be changed into a prime (44312421001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 43400490 + ... + 43401510.

It is an arithmetic number, because the mean of its divisors is an integer number (306707310).

Almost surely, 2^44312421000 is an apocalyptic number.

44312421000 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 44312421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78517071360).

44312421000 is an abundant number, since it is smaller than the sum of its proper divisors (112721721720).

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

44312421000 is a wasteful number, since it uses less digits than its factorization.

44312421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 44312421000 its reverse (12421344), we get a palindrome (44324842344).

The spelling of 44312421000 in words is "forty-four billion, three hundred twelve million, four hundred twenty-one thousand".