4443638363444 has 12 divisors (see below), whose sum is σ = 8887276726944. Its totient is φ = 1904416441464.

The previous prime is 4443638363429. The next prime is 4443638363447.

4443638363444 is nontrivially palindromic in base 10.

4443638363444 is an admirable number.

It is a super-2 number, since 2×4443638363444² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4443638363444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443638363447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79350685034 + ... + 79350685089.

It is an arithmetic number, because the mean of its divisors is an integer number (740606393912).

Almost surely, 2^{4443638363444} is an apocalyptic number.

It is an amenable number.

4443638363444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4443638363444 is a wasteful number, since it uses less digits than its factorization.

4443638363444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158701370134 (or 158701370132 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 56.

The spelling of 4443638363444 in words is "four trillion, four hundred forty-three billion, six hundred thirty-eight million, three hundred sixty-three thousand, four hundred forty-four".