7142424242 has 32 divisors (see below), whose sum is σ = 11431411200. Its totient is φ = 3341635200.

The previous prime is 7142424199. The next prime is 7142424257. The reversal of 7142424242 is 2424242417.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7142424199 and 7142424208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207134 + ... + 239142.

It is an arithmetic number, because the mean of its divisors is an integer number (357231600).

Almost surely, 2^7142424242 is an apocalyptic number.

7142424242 is a deficient number, since it is larger than the sum of its proper divisors (4288986958).

7142424242 is a wasteful number, since it uses less digits than its factorization.

7142424242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32162.

The product of its digits is 28672, while the sum is 32.

The square root of 7142424242 is about 84512.8643580372. The cubic root of 7142424242 is about 1925.8178785324.

Adding to 7142424242 its reverse (2424242417), we get a palindrome (9566666659).

The spelling of 7142424242 in words is "seven billion, one hundred forty-two million, four hundred twenty-four thousand, two hundred forty-two".