43401441 has 4 divisors (see below), whose sum is σ = 57868592. Its totient is φ = 28934292.

The previous prime is 43401401. The next prime is 43401451. The reversal of 43401441 is 14410434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43401441 - 2¹⁰ = 43400417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43401401) 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, 7233571 + ... + 7233576.

It is an arithmetic number, because the mean of its divisors is an integer number (14467148).

Almost surely, 2^43401441 is an apocalyptic number.

It is an amenable number.

43401441 is a deficient number, since it is larger than the sum of its proper divisors (14467151).

43401441 is a wasteful number, since it uses less digits than its factorization.

43401441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14467150.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 43401441 is about 6587.9770036029. The cubic root of 43401441 is about 351.4266692295.

Adding to 43401441 its reverse (14410434), we get a palindrome (57811875).

The spelling of 43401441 in words is "forty-three million, four hundred one thousand, four hundred forty-one".