6442260242 has 32 divisors (see below), whose sum is σ = 10686539520. Its totient is φ = 2888196480.

The previous prime is 6442260199. The next prime is 6442260271. The reversal of 6442260242 is 2420622446.

It is a junction number, because it is equal to n+sod(n) for n = 6442260199 and 6442260208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2878748 + ... + 2880984.

It is an arithmetic number, because the mean of its divisors is an integer number (333954360).

Almost surely, 2^6442260242 is an apocalyptic number.

6442260242 is a deficient number, since it is larger than the sum of its proper divisors (4244279278).

6442260242 is a wasteful number, since it uses less digits than its factorization.

6442260242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986.

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 6442260242 is about 80263.6919285426. The cubic root of 6442260242 is about 1860.7131271367.

Adding to 6442260242 its reverse (2420622446), we get a palindrome (8862882688).

The spelling of 6442260242 in words is "six billion, four hundred forty-two million, two hundred sixty thousand, two hundred forty-two".