444402102102 has 64 divisors (see below), whose sum is σ = 1030238576640. Its totient is φ = 125170857504.

The previous prime is 444402102071. The next prime is 444402102211. The reversal of 444402102102 is 201201204444.

It is a congruent number.

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, 1476349 + ... + 1751687.

It is an arithmetic number, because the mean of its divisors is an integer number (16097477760).

Almost surely, 2^444402102102 is an apocalyptic number.

444402102102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 444402102102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515119288320).

444402102102 is an abundant number, since it is smaller than the sum of its proper divisors (585836474538).

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

444402102102 is a wasteful number, since it uses less digits than its factorization.

444402102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275897.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 444402102102 its reverse (201201204444), we get a palindrome (645603306546).

The spelling of 444402102102 in words is "four hundred forty-four billion, four hundred two million, one hundred two thousand, one hundred two".