4240042442 has 8 divisors (see below), whose sum is σ = 6360425316. Its totient is φ = 2119900672.

The previous prime is 4240042399. The next prime is 4240042459. The reversal of 4240042442 is 2442400424.

It can be written as a sum of positive squares in 2 ways, for example, as 3317644801 + 922397641 = 57599^2 + 30371^2 .

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

It is a super-2 number, since 2×4240042442² = 35955919819922646728, which contains 22 as substring.

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, 6833 + ... + 92340.

Almost surely, 2^4240042442 is an apocalyptic number.

4240042442 is a deficient number, since it is larger than the sum of its proper divisors (2120382874).

4240042442 is a wasteful number, since it uses less digits than its factorization.

4240042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120552.

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 4240042442 is about 65115.6082825001. The cubic root of 4240042442 is about 1618.5398673544.

Adding to 4240042442 its reverse (2442400424), we get a palindrome (6682442866).

The spelling of 4240042442 in words is "four billion, two hundred forty million, forty-two thousand, four hundred forty-two".