3944504665998 has 192 divisors, whose sum is σ = 9622998088704. Its totient is φ = 1159805952000.

The previous prime is 3944504665991. The next prime is 3944504665999. The reversal of 3944504665998 is 8995664054493.

3944504665998 is a `hidden beast` number, since 3 + 9 + 4 + 4 + 504 + 66 + 59 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944504665991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 141027411 + ... + 141055377.

It is an arithmetic number, because the mean of its divisors is an integer number (50119781712).

Almost surely, 2^{3944504665998} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3944504665998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4811499044352).

3944504665998 is an abundant number, since it is smaller than the sum of its proper divisors (5678493422706).

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

3944504665998 is a wasteful number, since it uses less digits than its factorization.

3944504665998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28331 (or 28328 counting only the distinct ones).

The product of its (nonzero) digits is 1007769600, while the sum is 72.

The spelling of 3944504665998 in words is "three trillion, nine hundred forty-four billion, five hundred four million, six hundred sixty-five thousand, nine hundred ninety-eight".