43125066432 has 336 divisors, whose sum is σ = 145632464640. Its totient is φ = 11943438336.

The previous prime is 43125066419. The next prime is 43125066437. The reversal of 43125066432 is 23466052134.

43125066432 is a `hidden beast` number, since 4 + 3 + 1 + 2 + 5 + 0 + 6 + 643 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is not an unprimeable number, because it can be changed into a prime (43125066437) 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 47 ways as a sum of consecutive naturals, for example, 69668619 + ... + 69669237.

Almost surely, 2^43125066432 is an apocalyptic number.

43125066432 is a gapful number since it is divisible by the number (42) 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 43125066432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72816232320).

43125066432 is an abundant number, since it is smaller than the sum of its proper divisors (102507398208).

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

43125066432 is a wasteful number, since it uses less digits than its factorization.

43125066432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 43125066432 in words is "forty-three billion, one hundred twenty-five million, sixty-six thousand, four hundred thirty-two".