21882280530 has 32 divisors (see below), whose sum is σ = 57291789888. Its totient is φ = 5304795200.

The previous prime is 21882280517. The next prime is 21882280561. The reversal of 21882280530 is 3508228812.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33154641 + ... + 33155300.

It is an arithmetic number, because the mean of its divisors is an integer number (1790368434).

Almost surely, 2^21882280530 is an apocalyptic number.

21882280530 is an abundant number, since it is smaller than the sum of its proper divisors (35409509358).

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

21882280530 is a wasteful number, since it uses less digits than its factorization.

21882280530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66309962.

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 21882280530 in words is "twenty-one billion, eight hundred eighty-two million, two hundred eighty thousand, five hundred thirty".