444044032140 has 96 divisors (see below), whose sum is σ = 1261102772160. Its totient is φ = 116729496576.

The previous prime is 444044032139. The next prime is 444044032151. The reversal of 444044032140 is 41230440444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 444044032098 and 444044032107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1116054 + ... + 1460706.

It is an arithmetic number, because the mean of its divisors is an integer number (13136487210).

Almost surely, 2^444044032140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444044032140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630551386080).

444044032140 is an abundant number, since it is smaller than the sum of its proper divisors (817058740020).

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

444044032140 is a wasteful number, since it uses less digits than its factorization.

444044032140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344971 (or 344969 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 444044032140 its reverse (41230440444), we get a palindrome (485274472584).

The spelling of 444044032140 in words is "four hundred forty-four billion, forty-four million, thirty-two thousand, one hundred forty".