43328180920 has 32 divisors (see below), whose sum is σ = 97500351600. Its totient is φ = 17329148928.

The previous prime is 43328180897. The next prime is 43328180947. The reversal of 43328180920 is 2908182334.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 287491 + ... + 411469.

Almost surely, 2^43328180920 is an apocalyptic number.

43328180920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43328180920 is an abundant number, since it is smaller than the sum of its proper divisors (54172170680).

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

43328180920 is a wasteful number, since it uses less digits than its factorization.

43328180920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132727 (or 132723 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 43328180920 in words is "forty-three billion, three hundred twenty-eight million, one hundred eighty thousand, nine hundred twenty".