43065900672 has 128 divisors (see below), whose sum is σ = 119622597120. Its totient is φ = 13701811200.

The previous prime is 43065900617. The next prime is 43065900697. The reversal of 43065900672 is 27600956034.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 4331547 + ... + 4341477.

It is an arithmetic number, because the mean of its divisors is an integer number (934551540).

Almost surely, 2^43065900672 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 43065900672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59811298560).

43065900672 is an abundant number, since it is smaller than the sum of its proper divisors (76556696448).

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

43065900672 is a wasteful number, since it uses less digits than its factorization.

43065900672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462 (or 10450 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 43065900672 in words is "forty-three billion, sixty-five million, nine hundred thousand, six hundred seventy-two".