4045242241 has 4 divisors (see below), whose sum is σ = 4047186352. Its totient is φ = 4043298132.

The previous prime is 4045242209. The next prime is 4045242247. The reversal of 4045242241 is 1422425404.

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 4045242241 - 2⁵ = 4045242209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045242247) 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, 968931 + ... + 973096.

It is an arithmetic number, because the mean of its divisors is an integer number (1011796588).

Almost surely, 2^4045242241 is an apocalyptic number.

It is an amenable number.

4045242241 is a deficient number, since it is larger than the sum of its proper divisors (1944111).

4045242241 is a wasteful number, since it uses less digits than its factorization.

4045242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944110.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 4045242241 is about 63602.2188370815. The cubic root of 4045242241 is about 1593.3634272962.

Adding to 4045242241 its reverse (1422425404), we get a palindrome (5467667645).

The spelling of 4045242241 in words is "four billion, forty-five million, two hundred forty-two thousand, two hundred forty-one".