140244043430342 has 32 divisors (see below), whose sum is σ = 217698897888000. Its totient is φ = 67679499611808.

The previous prime is 140244043430317. The next prime is 140244043430347. The reversal of 140244043430342 is 243034340442041.

It is a junction number, because it is equal to n+sod(n) for n = 140244043430296 and 140244043430305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244043430347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2861923613 + ... + 2861972615.

It is an arithmetic number, because the mean of its divisors is an integer number (6803090559000).

Almost surely, 2^{140244043430342} is an apocalyptic number.

140244043430342 is a deficient number, since it is larger than the sum of its proper divisors (77454854457658).

140244043430342 is a wasteful number, since it uses less digits than its factorization.

140244043430342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65900.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 140244043430342 its reverse (243034340442041), we get a palindrome (383278383872383).

The spelling of 140244043430342 in words is "one hundred forty trillion, two hundred forty-four billion, forty-three million, four hundred thirty thousand, three hundred forty-two".