140240420320424 has 8 divisors (see below), whose sum is σ = 262950788100810. Its totient is φ = 70120210160208.

The previous prime is 140240420320379. The next prime is 140240420320501. The reversal of 140240420320424 is 424023024042041.

It can be written as a sum of positive squares in only one way, i.e., 102702374471524 + 37538045848900 = 10134218^2 + 6126830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8765026270019 + ... + 8765026270034.

Almost surely, 2^{140240420320424} is an apocalyptic number.

It is an amenable number.

140240420320424 is a deficient number, since it is larger than the sum of its proper divisors (122710367780386).

140240420320424 is a wasteful number, since it uses less digits than its factorization.

140240420320424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17530052540059 (or 17530052540055 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 140240420320424 its reverse (424023024042041), we get a palindrome (564263444362465).

The spelling of 140240420320424 in words is "one hundred forty trillion, two hundred forty billion, four hundred twenty million, three hundred twenty thousand, four hundred twenty-four".