4020224040424 has 8 divisors (see below), whose sum is σ = 7537920075810. Its totient is φ = 2010112020208.

The previous prime is 4020224040347. The next prime is 4020224040431. The reversal of 4020224040424 is 4240404220204.

It can be written as a sum of positive squares in only one way, i.e., 3831876720324 + 188347320100 = 1957518^2 + 433990^2 .

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 = 4020224040392 and 4020224040401.

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 as a sum of consecutive naturals, namely, 251264002519 + ... + 251264002534.

Almost surely, 2^{4020224040424} is an apocalyptic number.

It is an amenable number.

4020224040424 is a deficient number, since it is larger than the sum of its proper divisors (3517696035386).

4020224040424 is a wasteful number, since it uses less digits than its factorization.

4020224040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502528005059 (or 502528005055 counting only the distinct ones).

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

Adding to 4020224040424 its reverse (4240404220204), we get a palindrome (8260628260628).

The spelling of 4020224040424 in words is "four trillion, twenty billion, two hundred twenty-four million, forty thousand, four hundred twenty-four".