2044220040442 has 4 divisors (see below), whose sum is σ = 3066330060666. Its totient is φ = 1022110020220.

The previous prime is 2044220040431. The next prime is 2044220040497. The reversal of 2044220040442 is 2440400224402.

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., 2013109783281 + 31110257161 = 1418841^2 + 176381^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2044220040442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511055010109 + ... + 511055010112.

Almost surely, 2^{2044220040442} is an apocalyptic number.

2044220040442 is a deficient number, since it is larger than the sum of its proper divisors (1022110020224).

2044220040442 is a wasteful number, since it uses less digits than its factorization.

2044220040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022110020223.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2044220040442 its reverse (2440400224402), we get a palindrome (4484620264844).

The spelling of 2044220040442 in words is "two trillion, forty-four billion, two hundred twenty million, forty thousand, four hundred forty-two".