4231383440 has 80 divisors (see below), whose sum is σ = 10209632256. Its totient is φ = 1629196800.

The previous prime is 4231383437. The next prime is 4231383449. The reversal of 4231383440 is 443831324.

4231383440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 4231383397 and 4231383406.

It is not an unprimeable number, because it can be changed into a prime (4231383449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469214 + ... + 478146.

Almost surely, 2^4231383440 is an apocalyptic number.

4231383440 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 4231383440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5104816128).

4231383440 is an abundant number, since it is smaller than the sum of its proper divisors (5978248816).

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

4231383440 is a wasteful number, since it uses less digits than its factorization.

4231383440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168 (or 9162 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 4231383440 is about 65049.0848513644. The cubic root of 4231383440 is about 1617.4373240503.

The spelling of 4231383440 in words is "four billion, two hundred thirty-one million, three hundred eighty-three thousand, four hundred forty".