4144331420 has 24 divisors (see below), whose sum is σ = 9003204000. Its totient is φ = 1600569152.

The previous prime is 4144331407. The next prime is 4144331459. The reversal of 4144331420 is 241334414.

It is a self number, because there is not a number n which added to its sum of digits gives 4144331420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3572120 + ... + 3573279.

It is an arithmetic number, because the mean of its divisors is an integer number (375133500).

Almost surely, 2^4144331420 is an apocalyptic number.

It is an amenable number.

4144331420 is an abundant number, since it is smaller than the sum of its proper divisors (4858872580).

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

4144331420 is a wasteful number, since it uses less digits than its factorization.

4144331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145437 (or 7145435 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4144331420 is about 64376.4818858564. The cubic root of 4144331420 is about 1606.2685622770.

Adding to 4144331420 its reverse (241334414), we get a palindrome (4385665834).

The spelling of 4144331420 in words is "four billion, one hundred forty-four million, three hundred thirty-one thousand, four hundred twenty".