4131021444 has 96 divisors (see below), whose sum is σ = 11029810176. Its totient is φ = 1191146880.

The previous prime is 4131021413. The next prime is 4131021449. The reversal of 4131021444 is 4441201314.

It is not an unprimeable number, because it can be changed into a prime (4131021449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594639 + ... + 601545.

It is an arithmetic number, because the mean of its divisors is an integer number (114893856).

Almost surely, 2^4131021444 is an apocalyptic number.

4131021444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4131021444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5514905088).

4131021444 is an abundant number, since it is smaller than the sum of its proper divisors (6898788732).

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

4131021444 is a wasteful number, since it uses less digits than its factorization.

4131021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145 (or 7143 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4131021444 is about 64273.0226767032. The cubic root of 4131021444 is about 1604.5471487609.

Adding to 4131021444 its reverse (4441201314), we get a palindrome (8572222758).

The spelling of 4131021444 in words is "four billion, one hundred thirty-one million, twenty-one thousand, four hundred forty-four".