4231440424 has 16 divisors (see below), whose sum is σ = 8127462420. Its totient is φ = 2064117120.

The previous prime is 4231440419. The next prime is 4231440439. The reversal of 4231440424 is 4240441324.

It can be written as a sum of positive squares in 2 ways, for example, as 3104495524 + 1126944900 = 55718^2 + 33570^2 .

It is a super-2 number, since 2×4231440424² = 35810176123722599552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4231440392 and 4231440401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6450039 + ... + 6450694.

Almost surely, 2^4231440424 is an apocalyptic number.

It is an amenable number.

4231440424 is a deficient number, since it is larger than the sum of its proper divisors (3896021996).

4231440424 is a wasteful number, since it uses less digits than its factorization.

4231440424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12900780 (or 12900776 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4231440424 is about 65049.5228575890. The cubic root of 4231440424 is about 1617.4445846887. Note that the first 3 decimals are identical.

Adding to 4231440424 its reverse (4240441324), we get a palindrome (8471881748).

The spelling of 4231440424 in words is "four billion, two hundred thirty-one million, four hundred forty thousand, four hundred twenty-four".