4242400043 has 4 divisors (see below), whose sum is σ = 4848457200. Its totient is φ = 3636342888.

The previous prime is 4242399989. The next prime is 4242400073. The reversal of 4242400043 is 3400042424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4242400043 - 2¹⁰ = 4242399019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4242399991 and 4242400018.

It is not an unprimeable number, because it can be changed into a prime (4242400073) 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, 303028568 + ... + 303028581.

It is an arithmetic number, because the mean of its divisors is an integer number (1212114300).

Almost surely, 2^4242400043 is an apocalyptic number.

4242400043 is a deficient number, since it is larger than the sum of its proper divisors (606057157).

4242400043 is an equidigital number, since it uses as much as digits as its factorization.

4242400043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606057156.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4242400043 is about 65133.7089608752. The cubic root of 4242400043 is about 1618.8397986429.

Adding to 4242400043 its reverse (3400042424), we get a palindrome (7642442467).

The spelling of 4242400043 in words is "four billion, two hundred forty-two million, four hundred thousand, forty-three".