21482016284 has 48 divisors (see below), whose sum is σ = 41454201600. Its totient is φ = 9695195136.

The previous prime is 21482016271. The next prime is 21482016373. The reversal of 21482016284 is 48261028412.

It is a super-2 number, since 2×21482016284² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 425327 + ... + 473145.

It is an arithmetic number, because the mean of its divisors is an integer number (863629200).

Almost surely, 2^21482016284 is an apocalyptic number.

It is an amenable number.

21482016284 is a deficient number, since it is larger than the sum of its proper divisors (19972185316).

21482016284 is a wasteful number, since it uses less digits than its factorization.

21482016284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48122 (or 48120 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 21482016284 in words is "twenty-one billion, four hundred eighty-two million, sixteen thousand, two hundred eighty-four".