4200040202242 has 4 divisors (see below), whose sum is σ = 6300060303366. Its totient is φ = 2100020101120.

The previous prime is 4200040202231. The next prime is 4200040202299. The reversal of 4200040202242 is 2422020400024.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2878991104081 + 1321049098161 = 1696759^2 + 1149369^2 .

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 as a sum of consecutive naturals, namely, 1050010050559 + ... + 1050010050562.

Almost surely, 2^{4200040202242} is an apocalyptic number.

4200040202242 is a deficient number, since it is larger than the sum of its proper divisors (2100020101124).

4200040202242 is a wasteful number, since it uses less digits than its factorization.

4200040202242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100020101123.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 4200040202242 its reverse (2422020400024), we get a palindrome (6622060602266).

The spelling of 4200040202242 in words is "four trillion, two hundred billion, forty million, two hundred two thousand, two hundred forty-two".