9914820444 has 96 divisors (see below), whose sum is σ = 27545495040. Its totient is φ = 3073008384.

The previous prime is 9914820413. The next prime is 9914820451. The reversal of 9914820444 is 4440284199.

It is a self number, because there is not a number n which added to its sum of digits gives 9914820444.

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, 119857 + ... + 184919.

It is an arithmetic number, because the mean of its divisors is an integer number (286932240).

Almost surely, 2^9914820444 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 9914820444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13772747520).

9914820444 is an abundant number, since it is smaller than the sum of its proper divisors (17630674596).

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

9914820444 is a wasteful number, since it uses less digits than its factorization.

9914820444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65176 (or 65168 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 9914820444 is about 99573.1913920609. The cubic root of 9914820444 is about 2148.3001125567.

The spelling of 9914820444 in words is "nine billion, nine hundred fourteen million, eight hundred twenty thousand, four hundred forty-four".