4242404401 has 4 divisors (see below), whose sum is σ = 4244871204. Its totient is φ = 4239937600.

The previous prime is 4242404399. The next prime is 4242404407. The reversal of 4242404401 is 1044042424.

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 2701920400 + 1540484001 = 51980^2 + 39249^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242404401 - 2¹ = 4242404399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242404407) 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, 1230820 + ... + 1234261.

It is an arithmetic number, because the mean of its divisors is an integer number (1061217801).

Almost surely, 2^4242404401 is an apocalyptic number.

It is an amenable number.

4242404401 is a deficient number, since it is larger than the sum of its proper divisors (2466803).

4242404401 is a wasteful number, since it uses less digits than its factorization.

4242404401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466802.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4242404401 is about 65133.7424151261. The cubic root of 4242404401 is about 1618.8403529597.

Adding to 4242404401 its reverse (1044042424), we get a palindrome (5286446825).

The spelling of 4242404401 in words is "four billion, two hundred forty-two million, four hundred four thousand, four hundred one".