43444020241 has 4 divisors (see below), whose sum is σ = 43445836800. Its totient is φ = 43442203684.

The previous prime is 43444020229. The next prime is 43444020283. The reversal of 43444020241 is 14202044434.

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 a cyclic number.

It is not a de Polignac number, because 43444020241 - 2²¹ = 43441923089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43444027241) 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, 871921 + ... + 920398.

It is an arithmetic number, because the mean of its divisors is an integer number (10861459200).

Almost surely, 2^43444020241 is an apocalyptic number.

It is an amenable number.

43444020241 is a deficient number, since it is larger than the sum of its proper divisors (1816559).

43444020241 is a wasteful number, since it uses less digits than its factorization.

43444020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816558.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 43444020241 its reverse (14202044434), we get a palindrome (57646064675).

The spelling of 43444020241 in words is "forty-three billion, four hundred forty-four million, twenty thousand, two hundred forty-one".