140440330421144 has 32 divisors (see below), whose sum is σ = 286091006685120. Its totient is φ = 64244997981696.

The previous prime is 140440330421129. The next prime is 140440330421161. The reversal of 140440330421144 is 441124033044041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975155472 + ... + 5975178975.

It is an arithmetic number, because the mean of its divisors is an integer number (8940343958910).

Almost surely, 2^{140440330421144} is an apocalyptic number.

It is an amenable number.

140440330421144 is an abundant number, since it is smaller than the sum of its proper divisors (145650676263976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140440330421144 is a wasteful number, since it uses less digits than its factorization.

140440330421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11950334579 (or 11950334575 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 140440330421144 its reverse (441124033044041), we get a palindrome (581564363465185).

The spelling of 140440330421144 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirty million, four hundred twenty-one thousand, one hundred forty-four".