140243440042 has 8 divisors (see below), whose sum is σ = 210366752832. Its totient is φ = 70121189100.

The previous prime is 140243440037. The next prime is 140243440063. The reversal of 140243440042 is 240044342041.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351567 + ... + 635677.

It is an arithmetic number, because the mean of its divisors is an integer number (26295844104).

Almost surely, 2^140243440042 is an apocalyptic number.

140243440042 is a deficient number, since it is larger than the sum of its proper divisors (70123312790).

140243440042 is a wasteful number, since it uses less digits than its factorization.

140243440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530924.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 140243440042 its reverse (240044342041), we get a palindrome (380287782083).

The spelling of 140243440042 in words is "one hundred forty billion, two hundred forty-three million, four hundred forty thousand, forty-two".