21814242661300 has 36 divisors (see below), whose sum is σ = 49395032953056. Its totient is φ = 8346318930400.

The previous prime is 21814242661283. The next prime is 21814242661319. The reversal of 21814242661300 is 316624241812.

It is a happy number.

It is a super-2 number, since 2×21814242661300² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4742224366 + ... + 4742228965.

It is an arithmetic number, because the mean of its divisors is an integer number (1372084248696).

Almost surely, 2^{21814242661300} is an apocalyptic number.

21814242661300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21814242661300 is an abundant number, since it is smaller than the sum of its proper divisors (27580790291756).

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

21814242661300 is a wasteful number, since it uses less digits than its factorization.

21814242661300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484453368 (or 9484453361 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 21814242661300 in words is "twenty-one trillion, eight hundred fourteen billion, two hundred forty-two million, six hundred sixty-one thousand, three hundred".