21014616304 has 20 divisors (see below), whose sum is σ = 44417257560. Its totient is φ = 9552098240.

The previous prime is 21014616299. The next prime is 21014616307. The reversal of 21014616304 is 40361641012.

It is a super-2 number, since 2×21014616304² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014616307) 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, 59700439 + ... + 59700790.

It is an arithmetic number, because the mean of its divisors is an integer number (2220862878).

Almost surely, 2^21014616304 is an apocalyptic number.

It is an amenable number.

21014616304 is an abundant number, since it is smaller than the sum of its proper divisors (23402641256).

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

21014616304 is a wasteful number, since it uses less digits than its factorization.

21014616304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119401248 (or 119401242 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 21014616304 in words is "twenty-one billion, fourteen million, six hundred sixteen thousand, three hundred four".