13242143044 has 18 divisors (see below), whose sum is σ = 25093470570. Its totient is φ = 6111758016.

The previous prime is 13242143039. The next prime is 13242143053. The reversal of 13242143044 is 44034124231.

It can be written as a sum of positive squares in 3 ways, for example, as 1677721600 + 11564421444 = 40960^2 + 107538^2 .

It is an unprimeable number.

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, 9793809 + ... + 9795160.

Almost surely, 2^13242143044 is an apocalyptic number.

It is an amenable number.

13242143044 is a deficient number, since it is larger than the sum of its proper divisors (11851327526).

13242143044 is a wasteful number, since it uses less digits than its factorization.

13242143044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19588999 (or 19588984 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13242143044 its reverse (44034124231), we get a palindrome (57276267275).

The spelling of 13242143044 in words is "thirteen billion, two hundred forty-two million, one hundred forty-three thousand, forty-four".