43486543872 has 150 divisors (see below), whose sum is σ = 129922760583. Its totient is φ = 14495514624.

The previous prime is 43486543819. The next prime is 43486543897. The reversal of 43486543872 is 27834568434.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Jordan-Polya number, since it can be written as (4!)⁴ ⋅ (2!)¹⁷.

43486543872 is a `hidden beast` number, since 43 + 48 + 65 + 438 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21743271936 + 21743271936 = 147456^2 + 147456^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=147456.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (15482880) is a multiple of the sum of its prime divisors (5).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 14495514623 + 14495514624 + 14495514625.

Almost surely, 2^43486543872 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 43486543872

43486543872 is an abundant number, since it is smaller than the sum of its proper divisors (86436216711).

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

43486543872 is an frugal number, since it uses more digits than its factorization.

43486543872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 5 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 54.

The spelling of 43486543872 in words is "forty-three billion, four hundred eighty-six million, five hundred forty-three thousand, eight hundred seventy-two".