4144121220 has 48 divisors (see below), whose sum is σ = 11688259968. Its totient is φ = 1097030400.

The previous prime is 4144121153. The next prime is 4144121221. The reversal of 4144121220 is 221214414.

It is not an unprimeable number, because it can be changed into a prime (4144121221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243856 + ... + 260295.

It is an arithmetic number, because the mean of its divisors is an integer number (243505416).

Almost surely, 2^4144121220 is an apocalyptic number.

It is an amenable number.

4144121220 is an abundant number, since it is smaller than the sum of its proper divisors (7544138748).

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

4144121220 is a wasteful number, since it uses less digits than its factorization.

4144121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504300 (or 504298 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4144121220 is about 64374.8492813770. The cubic root of 4144121220 is about 1606.2414052339.

Adding to 4144121220 its reverse (221214414), we get a palindrome (4365335634).

The spelling of 4144121220 in words is "four billion, one hundred forty-four million, one hundred twenty-one thousand, two hundred twenty".