4213231440 has 160 divisors (see below), whose sum is σ = 14633813376. Its totient is φ = 993761280.

The previous prime is 4213231439. The next prime is 4213231441. The reversal of 4213231440 is 441323124.

4213231440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4213231439) and next prime (4213231441).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4213231440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213231441) 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, 76114 + ... + 119246.

Almost surely, 2^4213231440 is an apocalyptic number.

4213231440 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 4213231440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7316906688).

4213231440 is an abundant number, since it is smaller than the sum of its proper divisors (10420581936).

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

4213231440 is a wasteful number, since it uses less digits than its factorization.

4213231440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43197 (or 43191 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4213231440 is about 64909.4094873771. The cubic root of 4213231440 is about 1615.1211544098.

Adding to 4213231440 its reverse (441323124), we get a palindrome (4654554564).

The spelling of 4213231440 in words is "four billion, two hundred thirteen million, two hundred thirty-one thousand, four hundred forty".