2044142043444 has 30 divisors (see below), whose sum is σ = 5343791083554. Its totient is φ = 681380681040.

The previous prime is 2044142043373. The next prime is 2044142043457. The reversal of 2044142043444 is 4443402414402.

It is a happy number.

2044142043444 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 1 + 4 + 204 + 3 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1957794220944 + 86347822500 = 1399212^2 + 293850^2 .

It is a super-2 number, since 2×2044142043444² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2044142043399 and 2044142043408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3154539867 + ... + 3154540514.

Almost surely, 2^{2044142043444} is an apocalyptic number.

It is an amenable number.

2044142043444 is an abundant number, since it is smaller than the sum of its proper divisors (3299649040110).

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

2044142043444 is a wasteful number, since it uses less digits than its factorization.

2044142043444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309080397 (or 6309080386 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 2044142043444 its reverse (4443402414402), we get a palindrome (6487544457846).

The spelling of 2044142043444 in words is "two trillion, forty-four billion, one hundred forty-two million, forty-three thousand, four hundred forty-four".