21482711568 has 80 divisors (see below), whose sum is σ = 61685982400. Its totient is φ = 7158274560.

The previous prime is 21482711531. The next prime is 21482711581. The reversal of 21482711568 is 86511728412.

21482711568 is a `hidden beast` number, since 2 + 1 + 4 + 82 + 7 + 1 + 1 + 568 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431528 + ... + 1446456.

It is an arithmetic number, because the mean of its divisors is an integer number (771074780).

Almost surely, 2^21482711568 is an apocalyptic number.

It is an amenable number.

21482711568 is an abundant number, since it is smaller than the sum of its proper divisors (40203270832).

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

21482711568 is a wasteful number, since it uses less digits than its factorization.

21482711568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18277 (or 18265 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The spelling of 21482711568 in words is "twenty-one billion, four hundred eighty-two million, seven hundred eleven thousand, five hundred sixty-eight".