4021021024 has 24 divisors (see below), whose sum is σ = 7926728040. Its totient is φ = 2007883776.

The previous prime is 4021021001. The next prime is 4021021049. The reversal of 4021021024 is 4201201204.

It is a super-2 number, since 2×4021021024² = 32337220150900017152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 4021020989 and 4021021007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57094 + ... + 106309.

It is an arithmetic number, because the mean of its divisors is an integer number (330280335).

Almost surely, 2^4021021024 is an apocalyptic number.

It is an amenable number.

4021021024 is a deficient number, since it is larger than the sum of its proper divisors (3905707016).

4021021024 is a wasteful number, since it uses less digits than its factorization.

4021021024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164182 (or 164174 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4021021024 is about 63411.5212244589. The cubic root of 4021021024 is about 1590.1769279534.

Adding to 4021021024 its reverse (4201201204), we get a palindrome (8222222228).

The spelling of 4021021024 in words is "four billion, twenty-one million, twenty-one thousand, twenty-four".