4242340442 has 8 divisors (see below), whose sum is σ = 6364383732. Its totient is φ = 2120879200.

The previous prime is 4242340433. The next prime is 4242340451. The reversal of 4242340442 is 2440432424.

It is an interprime number because it is at equal distance from previous prime (4242340433) and next prime (4242340451).

It can be written as a sum of positive squares in 2 ways, for example, as 3625364521 + 616975921 = 60211^2 + 24839^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126809 + ... + 156732.

Almost surely, 2^4242340442 is an apocalyptic number.

4242340442 is a deficient number, since it is larger than the sum of its proper divisors (2122043290).

4242340442 is a wasteful number, since it uses less digits than its factorization.

4242340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291024.

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 4242340442 is about 65133.2514312006. The cubic root of 4242340442 is about 1618.8322176414.

Adding to 4242340442 its reverse (2440432424), we get a palindrome (6682772866).

The spelling of 4242340442 in words is "four billion, two hundred forty-two million, three hundred forty thousand, four hundred forty-two".