21483048480 has 96 divisors (see below), whose sum is σ = 67952763648. Its totient is φ = 5705011200.

The previous prime is 21483048451. The next prime is 21483048491. The reversal of 21483048480 is 8484038412.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 22825 + ... + 208535.

It is an arithmetic number, because the mean of its divisors is an integer number (707841288).

Almost surely, 2^21483048480 is an apocalyptic number.

21483048480 is a gapful number since it is divisible by the number (20) 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 21483048480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33976381824).

21483048480 is an abundant number, since it is smaller than the sum of its proper divisors (46469715168).

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

21483048480 is a wasteful number, since it uses less digits than its factorization.

21483048480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185970 (or 185962 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 21483048480 in words is "twenty-one billion, four hundred eighty-three million, forty-eight thousand, four hundred eighty".