140240031410440 has 128 divisors (see below), whose sum is σ = 357805493136000. Its totient is φ = 49040777023488.

The previous prime is 140240031410431. The next prime is 140240031410471. The reversal of 140240031410440 is 44014130042041.

It is a junction number, because it is equal to n+sod(n) for n = 140240031410399 and 140240031410408.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30527056 + ... + 34819264.

It is an arithmetic number, because the mean of its divisors is an integer number (2795355415125).

Almost surely, 2^{140240031410440} is an apocalyptic number.

140240031410440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140240031410440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178902746568000).

140240031410440 is an abundant number, since it is smaller than the sum of its proper divisors (217565461725560).

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

140240031410440 is a wasteful number, since it uses less digits than its factorization.

140240031410440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295559 (or 4295555 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 140240031410440 its reverse (44014130042041), we get a palindrome (184254161452481).

The spelling of 140240031410440 in words is "one hundred forty trillion, two hundred forty billion, thirty-one million, four hundred ten thousand, four hundred forty".