21840282150 has 48 divisors (see below), whose sum is σ = 54181265808. Its totient is φ = 5822208000.

The previous prime is 21840282083. The next prime is 21840282151. The reversal of 21840282150 is 5128204812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21840282151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 482490 + ... + 525810.

It is an arithmetic number, because the mean of its divisors is an integer number (1128776371).

Almost surely, 2^21840282150 is an apocalyptic number.

21840282150 is an abundant number, since it is smaller than the sum of its proper divisors (32340983658).

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

21840282150 is a wasteful number, since it uses less digits than its factorization.

21840282150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46697 (or 46692 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

Adding to 21840282150 its reverse (5128204812), we get a palindrome (26968486962).

The spelling of 21840282150 in words is "twenty-one billion, eight hundred forty million, two hundred eighty-two thousand, one hundred fifty".