2043432444440 has 32 divisors (see below), whose sum is σ = 4605009464160. Its totient is φ = 816077606400.

The previous prime is 2043432444439. The next prime is 2043432444481. The reversal of 2043432444440 is 444442343402.

It is a junction number, because it is equal to n+sod(n) for n = 2043432444394 and 2043432444403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40454801 + ... + 40505280.

It is an arithmetic number, because the mean of its divisors is an integer number (143906545755).

Almost surely, 2^{2043432444440} is an apocalyptic number.

2043432444440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043432444440 is an abundant number, since it is smaller than the sum of its proper divisors (2561577019720).

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

2043432444440 is a wasteful number, since it uses less digits than its factorization.

2043432444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80960723 (or 80960719 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 2043432444440 its reverse (444442343402), we get a palindrome (2487874787842).

The spelling of 2043432444440 in words is "two trillion, forty-three billion, four hundred thirty-two million, four hundred forty-four thousand, four hundred forty".