140023034120440 has 32 divisors (see below), whose sum is σ = 331633501866000. Its totient is φ = 53061360297984.

The previous prime is 140023034120413. The next prime is 140023034120507. The reversal of 140023034120440 is 44021430320041.

It is a junction number, because it is equal to n+sod(n) for n = 140023034120399 and 140023034120408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92120416425 + ... + 92120417944.

Almost surely, 2^{140023034120440} is an apocalyptic number.

140023034120440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140023034120440 is an abundant number, since it is smaller than the sum of its proper divisors (191610467745560).

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

140023034120440 is a wasteful number, since it uses less digits than its factorization.

140023034120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184240834399 (or 184240834395 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 140023034120440 its reverse (44021430320041), we get a palindrome (184044464440481).

The spelling of 140023034120440 in words is "one hundred forty trillion, twenty-three billion, thirty-four million, one hundred twenty thousand, four hundred forty".