3844866634644 has 96 divisors (see below), whose sum is σ = 10334343591936. Its totient is φ = 1089842774400.

The previous prime is 3844866634621. The next prime is 3844866634681. The reversal of 3844866634644 is 4464366684483.

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, 6503169 + ... + 7069719.

It is an arithmetic number, because the mean of its divisors is an integer number (107649412416).

Almost surely, 2^{3844866634644} 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 3844866634644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5167171795968).

3844866634644 is an abundant number, since it is smaller than the sum of its proper divisors (6489476957292).

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

3844866634644 is a wasteful number, since it uses less digits than its factorization.

3844866634644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567205 (or 567203 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 66.

The spelling of 3844866634644 in words is "three trillion, eight hundred forty-four billion, eight hundred sixty-six million, six hundred thirty-four thousand, six hundred forty-four".