13142240444 has 12 divisors (see below), whose sum is σ = 23153277000. Its totient is φ = 6527018448.

The previous prime is 13142240431. The next prime is 13142240483. The reversal of 13142240444 is 44404224131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11024774 + ... + 11025965.

It is an arithmetic number, because the mean of its divisors is an integer number (1929439750).

Almost surely, 2^13142240444 is an apocalyptic number.

It is an amenable number.

13142240444 is a deficient number, since it is larger than the sum of its proper divisors (10011036556).

13142240444 is a wasteful number, since it uses less digits than its factorization.

13142240444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22050892 (or 22050890 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 13142240444 its reverse (44404224131), we get a palindrome (57546464575).

The spelling of 13142240444 in words is "thirteen billion, one hundred forty-two million, two hundred forty thousand, four hundred forty-four".