44443321002 has 64 divisors (see below), whose sum is σ = 104396544000. Its totient is φ = 13975933104.

The previous prime is 44443320991. The next prime is 44443321003. The reversal of 44443321002 is 20012334444.

It is a happy number.

44443321002 is a `hidden beast` number, since 4 + 4 + 443 + 3 + 210 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (44443321003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154593 + ... + 335835.

It is an arithmetic number, because the mean of its divisors is an integer number (1631196000).

Almost surely, 2^44443321002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44443321002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52198272000).

44443321002 is an abundant number, since it is smaller than the sum of its proper divisors (59953222998).

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

44443321002 is a wasteful number, since it uses less digits than its factorization.

44443321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181512 (or 181506 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 44443321002 its reverse (20012334444), we get a palindrome (64455655446).

The spelling of 44443321002 in words is "forty-four billion, four hundred forty-three million, three hundred twenty-one thousand, two".