43072440117632 has 32 divisors (see below), whose sum is σ = 90855928377720. Its totient is φ = 20269383583744.

The previous prime is 43072440117589. The next prime is 43072440117643. The reversal of 43072440117632 is 23671104427034.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9897157778 + ... + 9897162129.

Almost surely, 2^{43072440117632} is an apocalyptic number.

It is an amenable number.

43072440117632 is an abundant number, since it is smaller than the sum of its proper divisors (47783488260088).

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

43072440117632 is a wasteful number, since it uses less digits than its factorization.

43072440117632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19794319938 (or 19794319926 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 43072440117632 in words is "forty-three trillion, seventy-two billion, four hundred forty million, one hundred seventeen thousand, six hundred thirty-two".