21832500424 has 32 divisors (see below), whose sum is σ = 47871933120. Its totient is φ = 9139185216.

The previous prime is 21832500401. The next prime is 21832500457. The reversal of 21832500424 is 42400523812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4530919 + ... + 4535734.

It is an arithmetic number, because the mean of its divisors is an integer number (1495997910).

Almost surely, 2^21832500424 is an apocalyptic number.

It is an amenable number.

21832500424 is an abundant number, since it is smaller than the sum of its proper divisors (26039432696).

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

21832500424 is a wasteful number, since it uses less digits than its factorization.

21832500424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066709 (or 9066705 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 21832500424 in words is "twenty-one billion, eight hundred thirty-two million, five hundred thousand, four hundred twenty-four".