43243254320 has 240 divisors, whose sum is σ = 119617772544. Its totient is φ = 14238873600.

The previous prime is 43243254287. The next prime is 43243254323. The reversal of 43243254320 is 2345234234.

It is not an unprimeable number, because it can be changed into a prime (43243254323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66836237 + ... + 66836883.

Almost surely, 2^43243254320 is an apocalyptic number.

43243254320 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 43243254320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59808886272).

43243254320 is an abundant number, since it is smaller than the sum of its proper divisors (76374518224).

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

43243254320 is a wasteful number, since it uses less digits than its factorization.

43243254320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 43243254320 its reverse (2345234234), we get a palindrome (45588488554).

The spelling of 43243254320 in words is "forty-three billion, two hundred forty-three million, two hundred fifty-four thousand, three hundred twenty".