140444402421242 has 8 divisors (see below), whose sum is σ = 210675909172800. Its totient is φ = 70219099363644.

The previous prime is 140444402421229. The next prime is 140444402421247. The reversal of 140444402421242 is 242124204444041.

It is a happy number.

140444402421242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140444402421196 and 140444402421205.

It is not an unprimeable number, because it can be changed into a prime (140444402421247) 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, 1550866892 + ... + 1550957447.

It is an arithmetic number, because the mean of its divisors is an integer number (26334488646600).

Almost surely, 2^{140444402421242} is an apocalyptic number.

140444402421242 is a deficient number, since it is larger than the sum of its proper divisors (70231506751558).

140444402421242 is a wasteful number, since it uses less digits than its factorization.

140444402421242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101846980.

The product of its (nonzero) digits is 262144, while the sum is 38.

Adding to 140444402421242 its reverse (242124204444041), we get a palindrome (382568606865283).

The spelling of 140444402421242 in words is "one hundred forty trillion, four hundred forty-four billion, four hundred two million, four hundred twenty-one thousand, two hundred forty-two".