21886873504 has 48 divisors (see below), whose sum is σ = 45203598720. Its totient is φ = 10417227520.

The previous prime is 21886873501. The next prime is 21886873523. The reversal of 21886873504 is 40537868812.

It is not an unprimeable number, because it can be changed into a prime (21886873501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100204 + ... + 231979.

It is an arithmetic number, because the mean of its divisors is an integer number (941741640).

Almost surely, 2^21886873504 is an apocalyptic number.

It is an amenable number.

21886873504 is an abundant number, since it is smaller than the sum of its proper divisors (23316725216).

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

21886873504 is a wasteful number, since it uses less digits than its factorization.

21886873504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332293 (or 332285 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 21886873504 in words is "twenty-one billion, eight hundred eighty-six million, eight hundred seventy-three thousand, five hundred four".