4144206644 has 6 divisors (see below), whose sum is σ = 7252361634. Its totient is φ = 2072103320.

The previous prime is 4144206643. The next prime is 4144206653. The reversal of 4144206644 is 4466024414.

4144206644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4139635600 + 4571044 = 64340^2 + 2138^2 .

It is a super-3 number, since 3×4144206644³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144206643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518025827 + ... + 518025834.

It is an arithmetic number, because the mean of its divisors is an integer number (1208726939).

Almost surely, 2^4144206644 is an apocalyptic number.

It is an amenable number.

4144206644 is a deficient number, since it is larger than the sum of its proper divisors (3108154990).

4144206644 is a wasteful number, since it uses less digits than its factorization.

4144206644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036051665 (or 1036051663 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The square root of 4144206644 is about 64375.5127668899. The cubic root of 4144206644 is about 1606.2524418016.

The spelling of 4144206644 in words is "four billion, one hundred forty-four million, two hundred six thousand, six hundred forty-four".