4004020222042 has 16 divisors (see below), whose sum is σ = 6053100238080. Its totient is φ = 1986338528928.

The previous prime is 4004020222001. The next prime is 4004020222177. The reversal of 4004020222042 is 2402220204004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4160083 + ... + 5031334.

It is an arithmetic number, because the mean of its divisors is an integer number (378318764880).

Almost surely, 2^{4004020222042} is an apocalyptic number.

4004020222042 is a deficient number, since it is larger than the sum of its proper divisors (2049080016038).

4004020222042 is a wasteful number, since it uses less digits than its factorization.

4004020222042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9193125.

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

Adding to 4004020222042 its reverse (2402220204004), we get a palindrome (6406240426046).

The spelling of 4004020222042 in words is "four trillion, four billion, twenty million, two hundred twenty-two thousand, forty-two".