21602510484048 has 240 divisors, whose sum is σ = 67240828811520. Its totient is φ = 6431145901056.

The previous prime is 21602510484013. The next prime is 21602510484073. The reversal of 21602510484048 is 84048401520612.

21602510484048 is a `hidden beast` number, since 2 + 16 + 0 + 2 + 510 + 4 + 84 + 0 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21602510483994 and 21602510484012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11527065 + ... + 13269447.

It is an arithmetic number, because the mean of its divisors is an integer number (280170120048).

Almost surely, 2^{21602510484048} 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 21602510484048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33620414405760).

21602510484048 is an abundant number, since it is smaller than the sum of its proper divisors (45638318327472).

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

21602510484048 is a wasteful number, since it uses less digits than its factorization.

21602510484048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742626 (or 1742617 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 21602510484048 in words is "twenty-one trillion, six hundred two billion, five hundred ten million, four hundred eighty-four thousand, forty-eight".