4243042320 has 160 divisors (see below), whose sum is σ = 14492179584. Its totient is φ = 1018368000.

The previous prime is 4243042319. The next prime is 4243042327. The reversal of 4243042320 is 232403424.

4243042320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (4243042327) 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, 258684 + ... + 274596.

Almost surely, 2^4243042320 is an apocalyptic number.

4243042320 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 4243042320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7246089792).

4243042320 is an abundant number, since it is smaller than the sum of its proper divisors (10249137264).

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

4243042320 is a wasteful number, since it uses less digits than its factorization.

4243042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16041 (or 16035 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4243042320 is about 65138.6392243498. The cubic root of 4243042320 is about 1618.9214891241.

Adding to 4243042320 its reverse (232403424), we get a palindrome (4475445744).

It can be divided in two parts, 424304 and 2320, that added together give a palindrome (426624).

The spelling of 4243042320 in words is "four billion, two hundred forty-three million, forty-two thousand, three hundred twenty".