21460201832448 has 408 divisors, whose sum is σ = 62742261647520. Its totient is φ = 7067837399040.

The previous prime is 21460201832401. The next prime is 21460201832497. The reversal of 21460201832448 is 84423810206412.

21460201832448 is a `hidden beast` number, since 2 + 1 + 4 + 6 + 0 + 20 + 183 + 2 + 448 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19109707215 + ... + 19109708337.

Almost surely, 2^{21460201832448} 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 21460201832448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31371130823760).

21460201832448 is an abundant number, since it is smaller than the sum of its proper divisors (41282059815072).

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

21460201832448 is a wasteful number, since it uses less digits than its factorization.

21460201832448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 21460201832448 in words is "twenty-one trillion, four hundred sixty billion, two hundred one million, eight hundred thirty-two thousand, four hundred forty-eight".