4424424432021 has 48 divisors (see below), whose sum is σ = 7135605404928. Its totient is φ = 2618722665600.

The previous prime is 4424424431981. The next prime is 4424424432023. The reversal of 4424424432021 is 1202344244244.

4424424432021 is a `hidden beast` number, since 4 + 4 + 2 + 4 + 4 + 2 + 443 + 202 + 1 = 666.

It is not a de Polignac number, because 4424424432021 - 2¹³ = 4424424423829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4424424432023) 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 in 47 ways as a sum of consecutive naturals, for example, 1113715 + ... + 3176351.

It is an arithmetic number, because the mean of its divisors is an integer number (148658445936).

Almost surely, 2^{4424424432021} is an apocalyptic number.

It is an amenable number.

4424424432021 is a deficient number, since it is larger than the sum of its proper divisors (2711180972907).

4424424432021 is a wasteful number, since it uses less digits than its factorization.

4424424432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063162 (or 2063159 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 4424424432021 its reverse (1202344244244), we get a palindrome (5626768676265).

The spelling of 4424424432021 in words is "four trillion, four hundred twenty-four billion, four hundred twenty-four million, four hundred thirty-two thousand, twenty-one".