4001122424 has 16 divisors (see below), whose sum is σ = 8079189720. Its totient is φ = 1846671840.

The previous prime is 4001122393. The next prime is 4001122441. The reversal of 4001122424 is 4242211004.

It is a junction number, because it is equal to n+sod(n) for n = 4001122396 and 4001122405.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 19236062 + ... + 19236269.

Almost surely, 2^4001122424 is an apocalyptic number.

It is an amenable number.

4001122424 is an abundant number, since it is smaller than the sum of its proper divisors (4078067296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4001122424 is a wasteful number, since it uses less digits than its factorization.

4001122424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38472350 (or 38472346 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4001122424 is about 63254.4261218138. The cubic root of 4001122424 is about 1587.5495161689.

Adding to 4001122424 its reverse (4242211004), we get a palindrome (8243333428).

The spelling of 4001122424 in words is "four billion, one million, one hundred twenty-two thousand, four hundred twenty-four".