140434412324440 has 32 divisors (see below), whose sum is σ = 340283383710480. Its totient is φ = 51852706088832.

The previous prime is 140434412324411. The next prime is 140434412324497. The reversal of 140434412324440 is 44423214434041.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 140434412324393 and 140434412324402.

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, 135033088254 + ... + 135033089293.

Almost surely, 2^{140434412324440} is an apocalyptic number.

140434412324440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140434412324440 is an abundant number, since it is smaller than the sum of its proper divisors (199848971386040).

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

140434412324440 is a wasteful number, since it uses less digits than its factorization.

140434412324440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270066177571 (or 270066177567 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 140434412324440 its reverse (44423214434041), we get a palindrome (184857626758481).

The spelling of 140434412324440 in words is "one hundred forty trillion, four hundred thirty-four billion, four hundred twelve million, three hundred twenty-four thousand, four hundred forty".