21823629282 has 96 divisors (see below), whose sum is σ = 60351887232. Its totient is φ = 5755670784.

The previous prime is 21823629221. The next prime is 21823629287. The reversal of 21823629282 is 28292632812.

21823629282 is a `hidden beast` number, since 2 + 1 + 8 + 2 + 362 + 9 + 282 = 666.

It is not an unprimeable number, because it can be changed into a prime (21823629287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202503 + ... + 290954.

It is an arithmetic number, because the mean of its divisors is an integer number (628665492).

Almost surely, 2^21823629282 is an apocalyptic number.

21823629282 is an abundant number, since it is smaller than the sum of its proper divisors (38528257950).

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

21823629282 is a wasteful number, since it uses less digits than its factorization.

21823629282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493494 (or 493482 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 21823629282 in words is "twenty-one billion, eight hundred twenty-three million, six hundred twenty-nine thousand, two hundred eighty-two".