21867427300 has 18 divisors (see below), whose sum is σ = 47452317458. Its totient is φ = 8746970880.

The previous prime is 21867427297. The next prime is 21867427331. The reversal of 21867427300 is 372476812.

It can be written as a sum of positive squares in 3 ways, for example, as 4960666624 + 16906760676 = 70432^2 + 130026^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109337037 + ... + 109337236.

Almost surely, 2^21867427300 is an apocalyptic number.

21867427300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21867427300 is an abundant number, since it is smaller than the sum of its proper divisors (25584890158).

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

21867427300 is a wasteful number, since it uses less digits than its factorization.

21867427300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218674287 (or 218674280 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 21867427300 in words is "twenty-one billion, eight hundred sixty-seven million, four hundred twenty-seven thousand, three hundred".