21058080448 has 28 divisors (see below), whose sum is σ = 41792862312. Its totient is φ = 10527595520.

The previous prime is 21058080401. The next prime is 21058080473. The reversal of 21058080448 is 84408085012.

It is a self number, because there is not a number n which added to its sum of digits gives 21058080448.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566763 + ... + 602773.

Almost surely, 2^21058080448 is an apocalyptic number.

It is an amenable number.

21058080448 is a deficient number, since it is larger than the sum of its proper divisors (20734781864).

21058080448 is an equidigital number, since it uses as much as digits as its factorization.

21058080448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45160 (or 45150 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The spelling of 21058080448 in words is "twenty-one billion, fifty-eight million, eighty thousand, four hundred forty-eight".