43240443441 has 16 divisors (see below), whose sum is σ = 62103753600. Its totient is φ = 26603112960.

The previous prime is 43240443427. The next prime is 43240443457. The reversal of 43240443441 is 14434404234.

It is not a de Polignac number, because 43240443441 - 2¹⁴ = 43240427057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43240483441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33985 + ... + 296033.

It is an arithmetic number, because the mean of its divisors is an integer number (3881484600).

Almost surely, 2^43240443441 is an apocalyptic number.

It is an amenable number.

43240443441 is a deficient number, since it is larger than the sum of its proper divisors (18863310159).

43240443441 is a wasteful number, since it uses less digits than its factorization.

43240443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266296.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 43240443441 its reverse (14434404234), we get a palindrome (57674847675).

The spelling of 43240443441 in words is "forty-three billion, two hundred forty million, four hundred forty-three thousand, four hundred forty-one".