2042321444 has 6 divisors (see below), whose sum is σ = 3574062534. Its totient is φ = 1021160720.

The previous prime is 2042321441. The next prime is 2042321453. The reversal of 2042321444 is 4441232402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1928088100 + 114233344 = 43910^2 + 10688^2 .

It is not an unprimeable number, because it can be changed into a prime (2042321441) by changing a digit.

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 as a sum of consecutive naturals, namely, 255290177 + ... + 255290184.

It is an arithmetic number, because the mean of its divisors is an integer number (595677089).

Almost surely, 2^2042321444 is an apocalyptic number.

It is an amenable number.

2042321444 is a deficient number, since it is larger than the sum of its proper divisors (1531741090).

2042321444 is a wasteful number, since it uses less digits than its factorization.

2042321444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510580365 (or 510580363 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2042321444 is about 45192.0506726570. The cubic root of 2042321444 is about 1268.7460382026.

Adding to 2042321444 its reverse (4441232402), we get a palindrome (6483553846).

The spelling of 2042321444 in words is "two billion, forty-two million, three hundred twenty-one thousand, four hundred forty-four".