21484595088 has 160 divisors (see below), whose sum is σ = 67404078720. Its totient is φ = 6497994240.

The previous prime is 21484595071. The next prime is 21484595131. The reversal of 21484595088 is 88059548412.

21484595088 is a `hidden beast` number, since 2 + 1 + 4 + 84 + 59 + 508 + 8 = 666.

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

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 31 ways as a sum of consecutive naturals, for example, 2642806 + ... + 2650922.

It is an arithmetic number, because the mean of its divisors is an integer number (421275492).

Almost surely, 2^21484595088 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 21484595088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33702039360).

21484595088 is an abundant number, since it is smaller than the sum of its proper divisors (45919483632).

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

21484595088 is a wasteful number, since it uses less digits than its factorization.

21484595088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702 (or 8690 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The spelling of 21484595088 in words is "twenty-one billion, four hundred eighty-four million, five hundred ninety-five thousand, eighty-eight".