140404203042442 has 8 divisors (see below), whose sum is σ = 212264621922816. Its totient is φ = 69649329068172.

The previous prime is 140404203042427. The next prime is 140404203042443. The reversal of 140404203042442 is 244240302404041.

140404203042442 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 = 140404203042398 and 140404203042407.

It is not an unprimeable number, because it can be changed into a prime (140404203042443) 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, 276386226208 + ... + 276386226715.

It is an arithmetic number, because the mean of its divisors is an integer number (26533077740352).

Almost surely, 2^{140404203042442} is an apocalyptic number.

140404203042442 is a deficient number, since it is larger than the sum of its proper divisors (71860418880374).

140404203042442 is a wasteful number, since it uses less digits than its factorization.

140404203042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552772453052.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 140404203042442 its reverse (244240302404041), we get a palindrome (384644505446483).

The spelling of 140404203042442 in words is "one hundred forty trillion, four hundred four billion, two hundred three million, forty-two thousand, four hundred forty-two".