4020440204442 has 32 divisors (see below), whose sum is σ = 8305936849152. Its totient is φ = 1296389392704.

The previous prime is 4020440204401. The next prime is 4020440204453. The reversal of 4020440204442 is 2444020440204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52302898 + ... + 52379709.

It is an arithmetic number, because the mean of its divisors is an integer number (259560526536).

Almost surely, 2^{4020440204442} is an apocalyptic number.

4020440204442 is an abundant number, since it is smaller than the sum of its proper divisors (4285496644710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4020440204442 is a wasteful number, since it uses less digits than its factorization.

4020440204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104682822.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 4020440204442 its reverse (2444020440204), we get a palindrome (6464460644646).

The spelling of 4020440204442 in words is "four trillion, twenty billion, four hundred forty million, two hundred four thousand, four hundred forty-two".