4231040 has 64 divisors (see below), whose sum is σ = 11052720. Its totient is φ = 1536000.

The previous prime is 4231039. The next prime is 4231049. The reversal of 4231040 is 401324.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6740 + ... + 7340.

Almost surely, 2^4231040 is an apocalyptic number.

4231040 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 4231040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5526360).

4231040 is an abundant number, since it is smaller than the sum of its proper divisors (6821680).

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

4231040 is a wasteful number, since it uses less digits than its factorization.

4231040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4231040 is about 2056.9491972336. The cubic root of 4231040 is about 161.7393563130.

Adding to 4231040 its reverse (401324), we get a palindrome (4632364).

The spelling of 4231040 in words is "four million, two hundred thirty-one thousand, forty".