4043242405 has 8 divisors (see below), whose sum is σ = 4852445184. Its totient is φ = 3234224400.

The previous prime is 4043242387. The next prime is 4043242409. The reversal of 4043242405 is 5042423404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4043242405 - 2⁵ = 4043242373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043242409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7660 + ... + 90250.

It is an arithmetic number, because the mean of its divisors is an integer number (606555648).

Almost surely, 2^4043242405 is an apocalyptic number.

It is an amenable number.

4043242405 is a deficient number, since it is larger than the sum of its proper divisors (809202779).

4043242405 is an equidigital number, since it uses as much as digits as its factorization.

4043242405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92387.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 4043242405 is about 63586.4954609074. The cubic root of 4043242405 is about 1593.1008150230.

Adding to 4043242405 its reverse (5042423404), we get a palindrome (9085665809).

The spelling of 4043242405 in words is "four billion, forty-three million, two hundred forty-two thousand, four hundred five".