21413024244480 has 1152 divisors, whose sum is σ = 79941822428160. Its totient is φ = 4827402731520.

The previous prime is 21413024244427. The next prime is 21413024244481. The reversal of 21413024244480 is 8444242031412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21413024244481) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30201726366 + ... + 30201727074.

It is an arithmetic number, because the mean of its divisors is an integer number (69393943080).

Almost surely, 2^{21413024244480} is an apocalyptic number.

21413024244480 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 21413024244480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39970911214080).

21413024244480 is an abundant number, since it is smaller than the sum of its proper divisors (58528798183680).

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

21413024244480 is a wasteful number, since it uses less digits than its factorization.

21413024244480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 39.

Adding to 21413024244480 its reverse (8444242031412), we get a palindrome (29857266275892).

The spelling of 21413024244480 in words is "twenty-one trillion, four hundred thirteen billion, twenty-four million, two hundred forty-four thousand, four hundred eighty".