43545350016 has 384 divisors, whose sum is σ = 146186726400. Its totient is φ = 12185800704.

The previous prime is 43545349957. The next prime is 43545350021. The reversal of 43545350016 is 61005354534.

43545350016 is a `hidden beast` number, since 43 + 54 + 53 + 500 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 94050201 + ... + 94050663.

It is an arithmetic number, because the mean of its divisors is an integer number (380694600).

Almost surely, 2^43545350016 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 43545350016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73093363200).

43545350016 is an abundant number, since it is smaller than the sum of its proper divisors (102641376384).

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

43545350016 is a wasteful number, since it uses less digits than its factorization.

43545350016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 43545350016 in words is "forty-three billion, five hundred forty-five million, three hundred fifty thousand, sixteen".