43748018028 has 648 divisors, whose sum is σ = 142884338688. Its totient is φ = 11675664000.

The previous prime is 43748017987. The next prime is 43748018033. The reversal of 43748018028 is 82081084734.

43748018028 is a `hidden beast` number, since 4 + 374 + 80 + 180 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 616169233 + ... + 616169303.

Almost surely, 2^43748018028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43748018028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71442169344).

43748018028 is an abundant number, since it is smaller than the sum of its proper divisors (99136320660).

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

43748018028 is a wasteful number, since it uses less digits than its factorization.

43748018028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 43748018028 in words is "forty-three billion, seven hundred forty-eight million, eighteen thousand, twenty-eight".