444442232130 has 128 divisors (see below), whose sum is σ = 1199008161792. Its totient is φ = 104613873408.

The previous prime is 444442232093. The next prime is 444442232159. The reversal of 444442232130 is 31232244444.

It is a junction number, because it is equal to n+sod(n) for n = 444442232091 and 444442232100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48819159 + ... + 48828261.

It is an arithmetic number, because the mean of its divisors is an integer number (9367251264).

Almost surely, 2^444442232130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444442232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599504080896).

444442232130 is an abundant number, since it is smaller than the sum of its proper divisors (754565929662).

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

444442232130 is a wasteful number, since it uses less digits than its factorization.

444442232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14592.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 444442232130 its reverse (31232244444), we get a palindrome (475674476574).

The spelling of 444442232130 in words is "four hundred forty-four billion, four hundred forty-two million, two hundred thirty-two thousand, one hundred thirty".