43421000024 has 16 divisors (see below), whose sum is σ = 86203456200. Its totient is φ = 20433411712.

The previous prime is 43421000011. The next prime is 43421000047. The reversal of 43421000024 is 42000012434.

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, 159635894 + ... + 159636165.

Almost surely, 2^43421000024 is an apocalyptic number.

It is an amenable number.

43421000024 is a deficient number, since it is larger than the sum of its proper divisors (42782456176).

43421000024 is a wasteful number, since it uses less digits than its factorization.

43421000024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319272082 (or 319272078 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 43421000024 its reverse (42000012434), we get a palindrome (85421012458).

The spelling of 43421000024 in words is "forty-three billion, four hundred twenty-one million, twenty-four", and thus it is an aban number.