140440340430424 has 16 divisors (see below), whose sum is σ = 263326838232600. Its totient is φ = 70219850235072.

The previous prime is 140440340430413. The next prime is 140440340430529. The reversal of 140440340430424 is 424034043044041.

It is a congruent number.

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, 38127034 + ... + 41647945.

Almost surely, 2^{140440340430424} is an apocalyptic number.

It is an amenable number.

140440340430424 is a deficient number, since it is larger than the sum of its proper divisors (122886497802176).

140440340430424 is a wasteful number, since it uses less digits than its factorization.

140440340430424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79995042 (or 79995038 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 140440340430424 its reverse (424034043044041), we get a palindrome (564474383474465).

The spelling of 140440340430424 in words is "one hundred forty trillion, four hundred forty billion, three hundred forty million, four hundred thirty thousand, four hundred twenty-four".