43872521896 has 96 divisors (see below), whose sum is σ = 100135647360. Its totient is φ = 17645037696.

The previous prime is 43872521887. The next prime is 43872521897. The reversal of 43872521896 is 69812527834.

It is a super-3 number, since 3×43872521896³ (a number of 33 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (43872521897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1556101 + ... + 1584043.

It is an arithmetic number, because the mean of its divisors is an integer number (1043079660).

Almost surely, 2^43872521896 is an apocalyptic number.

43872521896 is a gapful number since it is divisible by the number (46) 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 43872521896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50067823680).

43872521896 is an abundant number, since it is smaller than the sum of its proper divisors (56263125464).

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

43872521896 is a wasteful number, since it uses less digits than its factorization.

43872521896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28055 (or 28028 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 43872521896 in words is "forty-three billion, eight hundred seventy-two million, five hundred twenty-one thousand, eight hundred ninety-six".