43440413201 has 4 divisors (see below), whose sum is σ = 43870516404. Its totient is φ = 43010310000.

The previous prime is 43440413171. The next prime is 43440413213. The reversal of 43440413201 is 10231404434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38102649601 + 5337763600 = 195199^2 + 73060^2 .

It is a cyclic number.

It is not a de Polignac number, because 43440413201 - 2³⁴ = 26260544017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43440413281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215051450 + ... + 215051651.

It is an arithmetic number, because the mean of its divisors is an integer number (10967629101).

Almost surely, 2^43440413201 is an apocalyptic number.

It is an amenable number.

43440413201 is a deficient number, since it is larger than the sum of its proper divisors (430103203).

43440413201 is a wasteful number, since it uses less digits than its factorization.

43440413201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430103202.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43440413201 its reverse (10231404434), we get a palindrome (53671817635).

The spelling of 43440413201 in words is "forty-three billion, four hundred forty million, four hundred thirteen thousand, two hundred one".