21460760224 has 24 divisors (see below), whose sum is σ = 44474603040. Its totient is φ = 10165622976.

The previous prime is 21460760171. The next prime is 21460760227. The reversal of 21460760224 is 42206706412.

It is a self number, because there is not a number n which added to its sum of digits gives 21460760224.

It is not an unprimeable number, because it can be changed into a prime (21460760227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17648044 + ... + 17649259.

It is an arithmetic number, because the mean of its divisors is an integer number (1853108460).

Almost surely, 2^21460760224 is an apocalyptic number.

It is an amenable number.

21460760224 is an abundant number, since it is smaller than the sum of its proper divisors (23013842816).

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

21460760224 is a wasteful number, since it uses less digits than its factorization.

21460760224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35297332 (or 35297324 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 21460760224 in words is "twenty-one billion, four hundred sixty million, seven hundred sixty thousand, two hundred twenty-four".