140244032224021 has 16 divisors (see below), whose sum is σ = 153325461377088. Its totient is φ = 127218054038400.

The previous prime is 140244032223961. The next prime is 140244032224099. The reversal of 140244032224021 is 120422230442041.

It is a cyclic number.

It is not a de Polignac number, because 140244032224021 - 2¹¹ = 140244032221973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244032228021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19884595 + ... + 25997791.

It is an arithmetic number, because the mean of its divisors is an integer number (9582841336068).

Almost surely, 2^{140244032224021} is an apocalyptic number.

140244032224021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140244032224021 is a deficient number, since it is larger than the sum of its proper divisors (13081429153067).

140244032224021 is a wasteful number, since it uses less digits than its factorization.

140244032224021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117732.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 140244032224021 its reverse (120422230442041), we get a palindrome (260666262666062).

The spelling of 140244032224021 in words is "one hundred forty trillion, two hundred forty-four billion, thirty-two million, two hundred twenty-four thousand, twenty-one".