43441103423440 has 20 divisors (see below), whose sum is σ = 101000565459684. Its totient is φ = 17376441369344.

The previous prime is 43441103423437. The next prime is 43441103423503. The reversal of 43441103423440 is 4432430114434.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7341867129744 + 36099236293696 = 2709588^2 + 6008264^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 43441103423440.

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, 271506896317 + ... + 271506896476.

Almost surely, 2^{43441103423440} is an apocalyptic number.

43441103423440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43441103423440 is an abundant number, since it is smaller than the sum of its proper divisors (57559462036244).

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

43441103423440 is a wasteful number, since it uses less digits than its factorization.

43441103423440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543013792806 (or 543013792800 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 43441103423440 its reverse (4432430114434), we get a palindrome (47873533537874).

The spelling of 43441103423440 in words is "forty-three trillion, four hundred forty-one billion, one hundred three million, four hundred twenty-three thousand, four hundred forty".