4223243240 has 64 divisors (see below), whose sum is σ = 10014364800. Its totient is φ = 1598476032.

The previous prime is 4223243209. The next prime is 4223243249. The reversal of 4223243240 is 423423224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4223243249) 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, 744254 + ... + 749906.

It is an arithmetic number, because the mean of its divisors is an integer number (156474450).

Almost surely, 2^4223243240 is an apocalyptic number.

4223243240 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 4223243240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5007182400).

4223243240 is an abundant number, since it is smaller than the sum of its proper divisors (5791121560).

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

4223243240 is a wasteful number, since it uses less digits than its factorization.

4223243240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666 (or 6662 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 4223243240 is about 64986.4850565100. The cubic root of 4223243240 is about 1616.3994668520.

Adding to 4223243240 its reverse (423423224), we get a palindrome (4646666464).

The spelling of 4223243240 in words is "four billion, two hundred twenty-three million, two hundred forty-three thousand, two hundred forty".