1042344321044 has 18 divisors (see below), whose sum is σ = 1975211651070. Its totient is φ = 481081994016.

The previous prime is 1042344321043. The next prime is 1042344321047. The reversal of 1042344321044 is 4401234432401.

It can be written as a sum of positive squares in 3 ways, for example, as 51897396100 + 990446924944 = 227810^2 + 995212^2 .

It is a super-2 number, since 2×1042344321044² (a number of 25 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 1042344321044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042344321043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 770964059 + ... + 770965410.

It is an arithmetic number, because the mean of its divisors is an integer number (109733980615).

Almost surely, 2^{1042344321044} is an apocalyptic number.

It is an amenable number.

1042344321044 is a deficient number, since it is larger than the sum of its proper divisors (932867330026).

1042344321044 is a wasteful number, since it uses less digits than its factorization.

1042344321044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541929499 (or 1541929484 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1042344321044 its reverse (4401234432401), we get a palindrome (5443578753445).

The spelling of 1042344321044 in words is "one trillion, forty-two billion, three hundred forty-four million, three hundred twenty-one thousand, forty-four".