2042404424 has 8 divisors (see below), whose sum is σ = 3829508310. Its totient is φ = 1021202208.

The previous prime is 2042404421. The next prime is 2042404451. The reversal of 2042404424 is 4244042402.

It can be written as a sum of positive squares in only one way, i.e., 2042136100 + 268324 = 45190^2 + 518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2042404393 and 2042404402.

It is not an unprimeable number, because it can be changed into a prime (2042404421) 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, 127650269 + ... + 127650284.

Almost surely, 2^2042404424 is an apocalyptic number.

It is an amenable number.

2042404424 is a deficient number, since it is larger than the sum of its proper divisors (1787103886).

2042404424 is a wasteful number, since it uses less digits than its factorization.

2042404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255300559 (or 255300555 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2042404424 is about 45192.9687451488. The cubic root of 2042404424 is about 1268.7632211197.

Adding to 2042404424 its reverse (4244042402), we get a palindrome (6286446826).

The spelling of 2042404424 in words is "two billion, forty-two million, four hundred four thousand, four hundred twenty-four".