4043400231 has 16 divisors (see below), whose sum is σ = 5815322240. Its totient is φ = 2484211680.

The previous prime is 4043400227. The next prime is 4043400269. The reversal of 4043400231 is 1320043404.

It is not a de Polignac number, because 4043400231 - 2² = 4043400227 is a prime.

It is a super-2 number, since 2×4043400231² = 32698170856101706722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4043400198 and 4043400207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043400211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59605 + ... + 107886.

It is an arithmetic number, because the mean of its divisors is an integer number (363457640).

Almost surely, 2^4043400231 is an apocalyptic number.

4043400231 is a deficient number, since it is larger than the sum of its proper divisors (1771922009).

4043400231 is a wasteful number, since it uses less digits than its factorization.

4043400231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168126.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4043400231 is about 63587.7364827527. The cubic root of 4043400231 is about 1593.1215433917.

Adding to 4043400231 its reverse (1320043404), we get a palindrome (5363443635).

The spelling of 4043400231 in words is "four billion, forty-three million, four hundred thousand, two hundred thirty-one".