43203491328 has 40 divisors (see below), whose sum is σ = 115096805208. Its totient is φ = 14401163264.

The previous prime is 43203491321. The next prime is 43203491339. The reversal of 43203491328 is 82319430234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43203491321) 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 3 ways as a sum of consecutive naturals, for example, 14062101 + ... + 14065172.

Almost surely, 2^43203491328 is an apocalyptic number.

43203491328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43203491328 is an abundant number, since it is smaller than the sum of its proper divisors (71893313880).

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

43203491328 is an equidigital number, since it uses as much as digits as its factorization.

43203491328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28127294 (or 28127278 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 43203491328 in words is "forty-three billion, two hundred three million, four hundred ninety-one thousand, three hundred twenty-eight".