4401423120 has 80 divisors (see below), whose sum is σ = 13697694720. Its totient is φ = 1169129472.

The previous prime is 4401423101. The next prime is 4401423127. The reversal of 4401423120 is 213241044.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (4401423127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26001 + ... + 97359.

It is an arithmetic number, because the mean of its divisors is an integer number (171221184).

Almost surely, 2^4401423120 is an apocalyptic number.

4401423120 is a gapful number since it is divisible by the number (40) 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 4401423120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6848847360).

4401423120 is an abundant number, since it is smaller than the sum of its proper divisors (9296271600).

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

4401423120 is a wasteful number, since it uses less digits than its factorization.

4401423120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71632 (or 71626 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4401423120 is about 66343.2221104764. Note that the first 3 decimals coincide. The cubic root of 4401423120 is about 1638.8191876863.

Adding to 4401423120 its reverse (213241044), we get a palindrome (4614664164).

The spelling of 4401423120 in words is "four billion, four hundred one million, four hundred twenty-three thousand, one hundred twenty".